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The market · page 1 of 1 · updated September 2026

Price changes over time

386 quoted prices of this kind. Half of the US ones fall between $800 and $10,000, median $2,500. None of them is a purchase.

PriceStoneCaratShapeWhereYearChangeWhat was quoted
$5 to $10Lab-grown diamond–-DiamondsbyLauren2025-A longtime dealer says buyers now typically spend only about 5-10% of what they'd have spent on an equivalent natural diamond
$20 to $50Lab-grown diamond–--2023-Lab discount versus natural widened from about 20% to about 50%, per one source the writer read
$25 to $50Diamond, lab or natural not said–----Buyers' general claim that reselling diamond jewelry typically returns only about 25-50% of the original retail price, natural or lab, though the dollar loss is far bigger on natural stones
$25 to $40Natural diamond–--2023-Average dealer discount off the Rapaport natural-diamond list price grew from roughly 20-30% historically to over 40% recently
$30 to $50Natural diamond–----Says a natural diamond ring can lose this much of its value if resold the very same day it was bought
$36 to $139-–-Amazon2019-2023-The same Amazon ring listing rose from $36 in 2019 to $139 by this comment
$39 to $65-–--2026-Gold rose about $430/oz in 30 days; for a typical 3-5g ring band that works out to roughly $39-$65 in added gold cost, versus the jeweler's $1,200+ demand.
$40 to $60Natural diamond–--2023-Claims natural diamonds lose this much of their retail value the moment you leave the store
$40 to $70No stone (plain band)–-Sam's Club2020-2026-A pair of 14k gold bar earrings for $40 five-six years ago now costs $70 for a single, smaller earring
$50 to $67Lab-grown diamond–--2017-2023-Says lab diamond prices dropped so much since this buyer bought their own stone about six years earlier that a new stone now costs half to a third as much
$50 to $10-–--2026-Diamond import tariff from India dropped from a January 2026 high of 50% to 10%, lowering new inventory prices
$67 to $50Lab-grown diamond–--2014-Lab diamond prices as a share of mined-diamond prices fell from roughly two-thirds to about half within a few years of 2014
$70 to $20Lab-grown diamond–--2026-A self-described gemologist says the trade currently pays about $70 per carat for lab stones, expected to fall to about $20 per carat within a few years
$80 to $30Lab-grown diamond–--2023-Lab price as a share of natural slid from about 80% to 50% to 30%, still falling in every size except melee
$80Lab-grown diamond–--2023-Lab stones used to sell for about 80 percent of natural prices; the writer says recent shifts have upended lab pricing
$80 to $20Lab-grown diamond–--2025-Lab diamonds used to price around 80% of natural cost (20% less); buyer says they now run about 20% of natural diamond cost
$80 to $20Lab-grown diamond–--2015-2025-Lab price as a share of the equivalent natural price fell from about 80% a decade ago to under 20% now
$100 to $800No stone (plain band)–-Etsy2026-A gold ring style that cost about $100 a few years ago now lists for $800 or more on Etsy
£150 to £375Natural diamond–--2000-2024-Same style of handmade ring from that St Ives jeweller now runs about £250-500, up from £150 in 2000
£150 to £225-–-H Samuel2016-2026-A ring bought on sale for £150 about ten years ago is now estimated around £200-250
$150 to $220Lab-grown diamond–-LGD2025-Low end of a per-stone price range for 0.50 and 0.75ct H&A lab melee bought for a 20+ stone custom parcel
$170 to $250Lab-grown diamond–-LGD2025-High end of the same per-stone price range for the H&A melee parcel
$200 to $4-–--1980-2024-Historical parallel cited: cubic zirconia fell from about $200/carat in the late 1970s-80s to $3-5/carat now.
$200 to $300Lab-grown diamond–--2025-Writer says loose lab diamond wholesale cost recently fell $200-300 per carat, but many retailers still charge 3-4 times that drop
$220 to $469-–--2024-2026-Same ring style sold for $220 in Feb 2024 versus $469-$799 by 2026, tracking rising gold costs
$240 to $122Lab-grown diamond3 ct--2024-3ct F VS1 lab wholesale fell from this per-carat price in February to the lower figure by the time of the comment
$242 to $445No stone (plain band)–--2024-2026-Same 14k gold wedding band design from the same store rose from $242 in 2024 to $445 currently.
$250 to $150Lab-grown diamond–--2023-Dealer says wholesale cost of lab-grown diamonds fell from about this to this over one summer
$250 to $500Lab-grown diamond–round-2024-Predicted price floor for graded colorless H&A lab rounds regardless of carat, versus about $500 as the natural-market floor
$256 to $300Moissanite–--2025-Same style of Etsy 10k gold moissanite ring now going for closer to $300, up from what she paid
$270 to $434Lab-grown diamond1.18 ct--2025-The same shopper's tracked loose 1.18ct lab stone rose over the same two weeks
$272 to $437Lab-grown diamond1.17 ct--2025-A shopper's tracked loose 1.17ct lab stone rose over two weeks before the 8/28 post
$300 to $800Moissanite5 ct-Doveggs2021-2022-The same 5-carat moissanite the writer had been eyeing at Doveggs went from about $300 the year before up to $800
$300 to $700Moissanite5 ct-Doveggs2017-2022-Writer says the cheapest 5-carat moissanite she could find elsewhere now runs about $700, versus roughly $300 back in 2017
$300-–--2024-Large turquoise cabochon rings with good matrix, not made in China, generally don't go for less than about $300
$300-1 ct--2026-A 1 ct silky sapphire of this type used to sell for under $300/ct before Vietnamese dealers' prices rose sharply as the style became popular
$300 to $800-–-FayJewelry2026-A ring setting that cost under $300 before gold prices spiked is guessed to run around $800 now, even after gold eased back some
$300 to $600Moissanite–--2024-2026-Typical price for this style of moissanite ring roughly doubled from about $300 two years ago to about $600 now, largely blamed on rising gold prices
$350-–--2026-Bought a similar opalescent sapphire years ago when $350/ct was already the going rate; supply of opalescent stones has since dwindled
$398 to $498-–-BluBoho--A gold Loyalty signet ring jumped from $398 to $498 within about a week as gold prices rose
$434 to $342Lab-grown diamond1.18 ct--2025-The 1.18ct stone's price also fell over 20% in the same period
$437 to $344Lab-grown diamond1.17 ct--2025-The same 1.17ct stone's price then fell over 20% about a week after the original post
$500 to $750Lab-grown diamond–--2025-OEC stones like the one bought for $500 were running $200-300 more shortly after, following a tariff-driven price increase
$500 to $700-–-FayJewelry2024-14k gold settings ran $500 to $700 in 2024
$500 to $1,400Natural diamond1.1 ctround-2024-Bidding on the same estate ring rose from the $300-500 estimate to $1,400, which the writer then judged too rich without better video of the stone
$550 to $400-4 ct-Etsy2025-Buyer's own almost-4-carat emerald 14k yellow gold ring sitting in her Etsy cart, marked down from 550 to 400 before tax, not yet bought
$600 to $1,200No stone (plain band)–-Blue Nile2025-A friend's 6mm platinum band sale price versus the same style's current regular price
$600 to $988No stone (plain band)–--2025-2026-Same men's gold band listing rose from $600 to $988 in about a year on the site the buyer used
$600 to $2,000Natural diamond–--1994-2026-A channel-set diamond and ruby band bought for about 600 in the 90s costs almost 2k to copy now, blamed on high gold prices
$688 to $730Lab-grown diamond2.36 ctcushionCalavera2025-A considered stone's price at Calavera rose after 2025 tariffs took effect
$698 to $998-–-BluBoho--The same tie-dye ring style rose from $698 to $798 to $998 across successive increases
$700 to $1,000Moissanite2 ct--2021-2025-The person asking says 2ct moissanite solitaires that cost under $700 in 2021 now start closer to $1,000
$700 to $600Lab-grown diamond2.05 ctovalCalavera2025-Same seller listed identical specs for about $700 two weeks before dropping to roughly $600
£700 to £1,100-–--2022-2023-The same ring went up in price a few months after being bought on offer
$730 to $780Natural diamond–--2025-One tracked online diamond listing rose amid tariff-driven pricing uncertainty
$740 to $120Lab-grown diamond1 ctroundJames Allen2024-2026-Same 1ct round D VS1 excellent stone bought for this much in 2024 would cost roughly 100-140 by two months before this comment
$750No stone (plain band)–--2025-Basic 14k gold settings alone were running about $750 in mid-2025 because of high gold prices, per a buyer
$770 to $990Lab-grown diamond–otherCalavera2025-Watched a hexagon-cut lab diamond's listed price climb from about $770 to about $990 over a few months before buying a comparable stone directly
$781 to $6,680Lab-grown diamond–--2025-This specific stone's price history showed $781 back in July before being asked at $6,680 in September
$800 to $500Lab-grown diamond–-Lightbox--De Beers-owned Lightbox brand cut its per-carat lab diamond price over the past year.
$800 to $599Natural diamond–-Costco2025-The same diamond band's price at Costco dropped from about $800 to $599
$800 to $1,000Lab-grown diamond3 ct----Buyer says lab diamond prices have crashed; this is roughly the going rate for 3ct now
$800 to $100Lab-grown diamond1 ctround-2025-Price of a 1ct round Lightbox lab diamond fell from about $800 at launch to $100 in the closing sale
$800 to $600Lab-grown diamond–-Lightbox2024-25%Lightbox cut its G-H color lab-diamond price from $800/ct to $600/ct as part of its 2024 permanent price cuts
$800 to $500Lab-grown diamond–-Lightbox2024-38%Lightbox cut its I-J color lab-diamond price from $800/ct to $500/ct as part of its 2024 permanent price cuts
$820 to $910Diamond, lab or natural not said0.3 ctroundBrilliant Earth2021-2025-Same 0.30ct round diamond ring, stone plus setting, at Brilliant Earth rose from about $820 to $910
$850 to $1,500-–-FayJewelry2024-2026-Priciest of four platinum settings made in 2024 was $850; a comparable setting now runs around $1,500
A$900 to A$1,200No stone (plain band)–--2025+33.3%The same 3mm 14k gold wedding band quote rose from $900 AUD in early June 2025 to $1,200 AUD by late July 2025, attributed to gold price rises
$900 to $600-–-Kay Jewelers--Advises catching a mall-chain sale (30% off) to get a 0.5 tcw band down from $900 to $600, then paying about $500 more to have a stone added
$900 to $2,300-2 ct--2010-2026-Same aquamarine-and-diamond ring and band design now costs about $2,300, versus $900 when bought in 2010
$900 to $1,500Lab-grown diamond1.55 ctroundLooseGrownDiamond2024-A set of ~1.5-1.6ct round lab diamonds the buyer had been eyeing jumped from about $900 to about $1,500 within the same day
$900Lab-grown diamond–--2024-A replacement lab diamond could reportedly be bought for about this much now, showing how far lab diamond prices have fallen since the asker's original purchase
$983 to $1,543Lab-grown diamond1.6 ctroundLooseGrownDiamond2024-A specific 1.60ct D VVS1 round lab diamond rose from $983 earlier in the day to $1,543 by evening on this site
£1,000 to £3,000-–--2008-2023-Writer says the same ring model he bought in 2008 costs about this much now
$1,000 to $250Lab-grown diamond–----Lab diamond price per carat fell from about $1,000 to $250; buyer expects it to reach $150 next
$1,000 to $100Lab-grown diamond1 ctround-2024-Jeweler's wholesale cost for a 1ct lab round fell from over $1,000 a couple of years earlier to about $100 now
$1,000 to $500Lab-grown diamond–--2025-Says a similar stone can be found for about $1000 now and predicts it will fall to around $500 soon
$1,000 to $50Lab-grown diamond–----Citing a radio segment, lab diamond price fell from about $1,000/carat a year or two earlier to about $50/carat now
$1,000 to $200Lab-grown diamond–--2021-2026-Lab diamonds ran at least $1,000/carat in 2021 versus roughly a couple hundred dollars per carat now, per a buyer
$1,000 to $1,700Lab-grown diamond2 ct--2026-Same India-based Etsy seller raised her 2ct Dutch marquise listing the day after selling one with a coupon
£1,000 to £2,000Lab-grown diamond1.2 ct-Lily Arkwright2024-2026-The same 1.2ct lab diamond platinum ring roughly doubled in price over two years as precious metal costs rose
$1,000 to $800Natural diamond–-Costco2026-Costco G-color diamond eternity rings priced around $1,000 got about $200 off during a past December sale; the discount scales with the ring's price
$1,000 to $2,000Lab-grown diamond3 ct--2026-She now sees whole rings with 3+ carat lab diamonds selling for about $1,000-$2,000, down sharply from when she bought hers
£1,000 to £10Moissanite1 ct--2022-2026-A 1ct moissanite stone cost about £1000 a few years ago and is now around £10 and still falling
$1,000 to $420Lab-grown diamond3.12 ctemerald-2024-2026-The same 3.12ct D VVS2 emerald lab stone bought for just over $1,000 in 2024 costs about $420 now, though mounting costs rose
$1,000 to $10Moissanite1 ct--2015-Moissanite's per-carat price fell from about this much when first patented and sold, to about this much each once patent protection ended roughly eight years before the 2023 post
$1,000 to $10Moissanite1 ct--2017-2023-The same size and cut of moissanite cost over this much with an unattractive tint years earlier, before falling to about this much each
$1,100 to $1,500-–--2022-2025-Same fully custom setting job cost roughly $1000-1200 a few years earlier versus about $1500 now, mainly due to higher gold prices
$1,112 to $3,174Lab-grown diamond2 ctroundLooseGrownDiamond2024-The diamond the person asking ended up buying jumped from $1,112 to $3,174 at this vendor within days after forum attention
$1,158 to $3,114No stone (plain band)–--2015-2025-Gold price per troy ounce cited rising this much, offered to explain higher scrap and setting costs
$1,163 to $852Lab-grown diamond1.5 ctpearProvence2026-Provence lowered its own quote for the asker's ring from 1163 to 852 unprompted, still 88 more than Starsgem's 760
£1,200 to £1,900Diamond, lab or natural not said–-Fraser Hart2019-2023-Same style ring now priced higher after original was lost; vendor offers 4-year interest-free finance
$1,200 to $550Natural diamond0.5 ct--2002-2024-A 20+ year trade veteran says half-carat stones sold for $1,200 in 2002 now go for only $500-600
$1,200 to $1,250-–-FayJewelry2026-The last two 14k gold settings made recently cost $1,200 and $1,250 as gold prices rose
$1,200 to $600Lab-grown diamond–--2023-A specific dark blue fancy lab diamond the writer tracked fell from $1,200 in July to $1,000 in September to $600 by Nov/Dec, then disappeared from listings
$1,500 to $16,000-–--1958-2024-Inflation-adjusted equivalent of the ring's original 1958 $1,500 appraisal value in today's dollars
$1,500Natural diamond1 ctround-2026-Current retail floor cited for a 1ct round natural diamond, used to explain why resale recovers little
$1,500 to $2,000Lab-grown diamond–--2023-2026-Buyer's recollection of resale-market prices for a similar-size lab OEC a few years earlier, versus the asker's $599 now
$1,500 to $899Lab-grown diamond1.5 ctroundKay2025-2026-Kay's Now + Forever 1.5ct tw lab halo ring, seen on sale for $1500, later marked to $899 clearance
$1,500 to $2,600No stone (plain band)–--2025-Setting-only cost for a heavy 18kt gold ring rose this much since January, per a jewelry dealer, due to gold prices
$1,500 to $2,500Natural diamond1 ct--2021-2026-Counter-example: a well-cut, no-fluorescence fancy light yellow bought around $1,500 five years earlier could resell for $2,000-$2,500 today
$1,500 to $900Lab-grown diamond–-Lightbox2024-40%Lightbox's top 'Finest' tier fell from an original $1500/ct to $900/ct in 2024, after a Q4 2023 trial price of $1000/ct; brand launched in 2018 at a flat $800/ct for all qualities
$1,500 to $4,200No stone (plain band)–--2005-2025-Gold spot price (per troy ounce) described as rising from under $1,500 when much of a seller's inventory was made to over $4,200 by late 2025
$1,500 to $500Lab-grown diamond1 ctmarquise-2023-2025-Writer's own 1ct lab marquise fell from a $1,500 purchase price to a $500 asking price as lab diamond prices dropped
$1,560 to $1,440Moissanite2.04 ct--2015-2023-Same moissanite ring and center stone now sells for less than the writer paid 8 years earlier
$1,600Lab-grown diamond2 ct-Lightbox2022-A buyer cites Lightbox selling 2ct lab diamonds for about $1,600, predicting large lab stones could reach similar per-carat pricing within a few years
$1,640 to $1,725Diamond, lab or natural not said–--2025-2026-Base version of the same cathedral Euro-shank setting rose modestly a year after she bought it
$1,700 to $2,500No stone (plain band)–--2022-2024-Gold spot price per ounce rose from about $1,700 to $2,500, adding roughly $200 to a typical 18k ring's gold cost.
£1,750 to £2,250-–--2022-2026-The exact same ring model rose in price from 2022 to now, attributed to rising gold prices
$1,800 to $950Moissanite2 ct--2024-A buyer said her 2ct moissanite cost $1,800 a while back, but similar stones now run about $600-1300 elsewhere
$1,900 to $950No stone (plain band)–--2011-2023-Platinum metal price per ounce, peaked near $1,900 about 12.5 years before this 2023 comment, roughly halved by then
$2,000 to $820Lab-grown diamond1.17 ct--2020-2023-A comparable lab-grown stone that cost over $2000 at employee price a few years back sold to a customer for $820 now
$2,000 to $900Lab-grown diamond–--2024-A lab diamond tennis bracelet (not a ring) dropped from this January price to a Black Friday sale price including tax and shipping
$2,000Moissanite2.5 ct--2020-2025-Buyer recalled a quality 2.5ct moissanite stone alone cost over $2k about five years before this 2025 post.
$2,000Lab-grown diamond10 ct--2025-A buyer cited 10-carat lab diamonds selling for about this much now, as evidence lab prices have fallen sharply
$2,000 to $5,000-–----Estimate from someone who worked in marketing for a large online jeweler on the typical US budget range
$2,000 to $3,000Lab-grown diamond3 ct--2025-Buyer recalled 3ct lab diamonds trending around this price range when she was shopping, cited to argue the asker's ring was overpriced
$2,000 to $3,000Lab-grown diamond–-Frank Darling2026-The same lab-diamond ring-and-band combo that cost under $2k a while back would run closer to $3k now due to higher gold prices
$2,000 to $500Lab-grown diamond–----Buyer predicts a $2,000 lab stone today could fall to $500 or less within a few years, citing an ongoing price decline
$2,000 to $4,000Natural diamond1 ct--1970-1975-A dealer recalls 1ct D-IF wholesale trading around this much in 1970, rising to about this much by 1975
$2,300 to $2,960Lab-grown diamond–otherJann Paul2024-2025-Jann Paul's decagon lab melee custom-cut price rose from about 2300 to 2960 USD per carat
$2,300 to $1,350Lab-grown diamond2.3 ctroundDiamondRensu2025-Old European cut lab diamond marked down from its original Etsy listing price by the time it resurfaced at this seller
A$2,400 to A$4,800Diamond, lab or natural not said–--2023-Writer estimates the late-1990s ring price would be about double in today's money
$2,400 to $3,000Lab-grown diamond2 ct-Ruby Harper2026-Same 2ct D VVS2 14k gold solitaire would run closer to $3,000 now due to higher gold prices, up from the $2,400 originally paid.
$2,500 to $500Moissanite–----Predicts moissanite falling from today's $2,000-3,000 range to about $500 in 3-5 years, echoing its earlier drop from thousands to hundreds.
$2,500Natural diamond–--2025-A gem seller called this a super-high retail ceiling for a stone this dark; genuine royal blue commands far more
$2,500 to $150Lab-grown diamond–--2015-2025-92%Per-carat lab price seen falling from about $2,500 a decade ago to roughly $100-200 now; writer expects near $50 soon
$2,500 to $1,000Lab-grown diamond1.25 ct--2021-2026-The same lab diamond bought in 2021 for $2,500 now retails around $1,000, per writer
$2,700 to $300Lab-grown diamond1 ct--2020-2023-Writer says a 1ct lab diamond ran about $2700 per carat three years ago, now totals about $300
C$2,800Diamond, lab or natural not said–--2024-A Canadian jeweler reports their store's average ring sale price is around $2,800 CAD
$2,960 to $3,900Natural diamond1.22 ctround-2021-2022-Same jeweler quoted this identical-spec replacement diamond about 18 months apart; price rose roughly $940
$3,000 to $7,300Diamond, lab or natural not said–-Adiamor2025-Price for a diamond the person asking was tracking suddenly jumped by over $4,000
$3,000 to $1,000Lab-grown diamond2 ctother-2023-A 2-carat hexagon step-cut lab diamond of the same specs fell from about $3,000 a few months earlier to about $1,000 by the time of this post
$3,000 to $1,000Lab-grown diamond4 ct----Target price for 4cttw lab stones (for earrings, not a ring) dropped from about $3k to under $1k while the writer saved up
$3,000Lab-grown diamond–--2023-2026-Same roughly $3,000 jeweler quote bought only a 1ct lab stone in 2023 versus a 2ct lab stone now
$3,500 to $100Lab-grown diamond–--2026-A lab-grown stone bought a few years ago for $3500, now said to be worth about $100
£3,500 to £3,100Lab-grown diamond1 ctroundQueensmith2023-2026-Same vendor's near-identical ~2ctw D VS1 HPHT lab diamond pair (studs, not a ring) fell from about £3,500 to about £3,100.
$3,900 to $2,900Lab-grown diamond–-Brilliant Earth2022-2023-A similar diamond at Brilliant Earth dropped from $3.9k to $2.9k over about a year
$3,900 to $8,500Natural diamond–-Tiffany & Co2011-2026-A platinum diamond Fleur de Lis Key pendant gifted about 15 years ago roughly doubled in price by today
$4,000Lab-grown diamond–roundRitani2022-2024-50%The person asking believes the round lab stone she bought for over 4,000 about two years earlier is now worth roughly half
$4,000 to $2,250Lab-grown diamond4 ct--2024-2025-Same NYC diamond-district jeweler now sells a similar 4ct stone for about $2000-2500, down from the $4000 the writer paid in Feb 2024
$4,000Natural diamond1 ct--2023-The person asking recalled a years-old per-carat quote for 1ct natural studs that has almost doubled by now
$4,200 to $4,877No stone (plain band)–--2025-2026-Gold spot price climbed further, from about $4,200 to $4,877 per troy ounce within a few months
$4,500 to $800Lab-grown diamond1 ct--2017-2022-90%A good 1ct lab diamond ran $4,000-5,000 in 2017 versus about $800 retail via Lightbox by 2022, roughly a 90% decline
$4,877 to $5,000No stone (plain band)–--2026-Gold spot price passed $5,000 per troy ounce, with platinum near $2,900 at the same time
$5,000 to $1,500Lab-grown diamond–----Illustrative comparison: a $5,000 lab diamond might resell for at least $1,500 to a private buyer
C$5,000 to C$10,000Natural diamond1 ctemerald-1975-2022-Buyer guessed the same 1ct emerald-cut ring appraised at $5k in 1975 would be worth at least $10k today
$5,000Natural diamond1.01 ct--2017-2022+0%The person asking says a similar stone bought about 5 years earlier for roughly $5k could still resell for about $5k today.
$5,000 to $2,300Diamond, lab or natural not said–----60%Cites the average US engagement ring price dropping to roughly 40% of that on resale
A$5,000 to A$10,000Sapphire–--2024-A similar sapphire engagement ring would cost about 10k today, roughly double what was paid, as sapphire rings have grown more popular
$5,000 to $6,000Diamond, lab or natural not said–--2025-Most sites reportedly quote today's average engagement ring cost around $5k-$6k
$5,000 to $1,999Diamond, lab or natural not said–--2025-Same ring's listed price dropped from 5000 to 1999 before the writer bought it
$5,000 to $4,000Natural diamond1.2 ctprincess-2014-2025-A jeweler's fair retail estimate for the asker's exact specs fell from about $5k in 2014 to about $4k now, blamed on lab-grown competition
€5,000 to €3,500Natural diamond0.7 ct--2025-The same ring's price had been 5k euros a couple months earlier before a recent drop in diamond prices brought it to 3.5k
$5,000 to $500Moissanite–--2025-A moissanite ring on a shopping channel that used to sell near $5,000 now sells for $500 as prices fell
$5,000 to $3,800Natural diamond1.68 ct-Costco.com2022-2025-Same ring model fell from about $5,000 at original purchase to about $3,800 after a manufacturer rebate years later
$5,000Natural diamond1 ct----Writer recalls $5,000+ once being standard for a 1 ct natural diamond; now lab and many other options are common
$5,000 to $4,500No stone (plain band)–--2026-A pawn shop employee said gold's spot price had just dropped about $500 in a single day from its recent peak
$5,000 to $2,000Natural diamond1 ctradiant-2021-2026-Example of a fancy light yellow radiant bought around $5,000 reselling near $2,000 about five years later
A$5,300-–--2020-A cited Australian survey put the average 2020 engagement ring spend at about $5,300 AUD
$5,400 to $1,000Lab-grown diamond2 ct--2020-2023-Writer says a 2ct lab diamond ran about $5400 (per-carat basis) three years ago, now totals about $1000
$5,400 to $21,000-–-Tiffany & Co.1980-2025-A gold chain's 1980 catalog price versus the asker's rough 2025 inflation-adjusted estimate
$5,500 to $2,700Lab-grown diamond–--2022-2024-Custom lab-grown ring pair quoted at $5,500 when designed in Dec 2022, price had fallen to $2,700 by purchase roughly a year-plus later
$5,500-–--2023-Knot 2023 Real Weddings Study: national avg $5,500; Mid-Atlantic highest at $6,900; Midwest lowest at $4,900; about 1 in 3 couples spent $1,000-4,000
$5,714Natural diamond1.56 ctround-2024-The same 1.56ct J VVS2 stone the person asking bought was tracked online at $5,714 through early October 2024, then someone spiked its listed price by about $10,000 in mid-October.
$5,999 to $7,500Lab-grown diamond5 ctovalZales2025-2026-Zales online price tracker showed the same ring at $5,999 in late Dec 2025, back to $7,500 by Feb 2026
$6,000 to $1,500Lab-grown diamond2 ct--2022-2023-A 2-carat lab-grown stone priced around $6000 at Christmas fell to about $1500 within about half a year
$6,000 to $300Lab-grown diamond2 ct--2019-2024-The person asking: wholesale price of a 2ct lab stone fell from about $6,000 in 2019 to $4,500 in 2020, $3,000 in 2021, roughly $300 by the 2024 post
$6,000Diamond, lab or natural not said0.9 ct--2019-Cited 2019 US average engagement ring cost and average diamond weight
$6,000 to $5,225-–--2019-2022-Cited surveys put the US average engagement ring spend at about $6,000 in 2019, falling to $5,225 by 2022
$6,000 to $2,000Lab-grown diamond2 ct--2019-2023-A 2ct lab diamond ran about $6k in 2019, now roughly a third of that
$6,000 to $3,500Natural diamond1 ctround-2018-2023-Same specs now sell for about $3,000-4,000 at the same type of big box store, midpoint used
$6,000 to $1,300Lab-grown diamond2 ct--2022-2024-A seller says a 2 ct lab stone (written dvs1) fetched about 6k two years ago and sells for 1,300 now; expects about 400 eventually
$6,000-–----Buyer's recollection of a googled current US average
$6,000 to $4,000Natural diamond1 ct-Blue Nile--A natural 1ct VVS GIA diamond was about $6k in the past, about $4k today on Blue Nile
$6,400 to $7,800-–-Tiffany & Co2020-2023-Same aquamarine-and-diamond ring style found listed online for more than the original 2020 purchase price
$6,500 to $1,500Lab-grown diamond1.5 ct--2018-2023-Buyer says a comparable lab diamond cost roughly $6,000-7,000 five years earlier versus under $1,500 by the time of this post
$6,500 to $600Lab-grown diamond1.65 ct--2016-2023-A 2016 forum post priced this stone at $6,500; by 2023 a comparable SI1 lab stone was said to cost only about $500-600
$6,600 to $2,600Natural diamond2.5 ct--2022-2024-The same 2.5ct old European cut stone bought for $6600 two years earlier would cost about $2600 by the time of the comment
$7,000Natural diamond–--2017-In 2017 saw two identical rings side by side, lab vs mined, priced $7,000 apart; believes the gap has narrowed since as lab prices fell
$7,000 to $10,400Lab-grown diamond–--2025-The lab-grown bridal set's sale price expired, rising from $7,000 back to $10,400
$7,000 to $700Lab-grown diamond2.05 ctoval-2015-2025-Buyer says a comparable stone would have cost around $7,000 a decade ago versus about $700 now
$7,500 to $200Lab-grown diamond1 ct--2016-2025-The person asking says a lab stone like his roommate's 2016 buy now costs far less, similar or better quality for about 200
$7,500 to $1,500Lab-grown diamond2 ct--2023-2ct lab diamond ring prices seen dropping from about $7-8k, to $4-5k a couple years later, to under $1,500 by this 2023 comment
$7,800 to $5,000Natural diamond1 ctround-2026-1ct round VVS H natural, cited price decline since lab diamonds entered the market
$7,829 to $3,756-–--2018-2020-Average US engagement ring cost cited by the person asking from a Brides.com source; roughly $9,200 and $4,700 CAD equivalents given
$8,000 to $2,000Lab-grown diamond2 ct--2023-A 2ct lab diamond bought a few years earlier for $8k would cost about $2k for a comparable stone by 2023.
$8,000 to $10,000Natural diamond1.5 ct--2017-2025-A comparable new natural 1.5ct I/VS1 ring+band totaled about $8k roughly 8 years earlier, versus easily under $10k as of the comment.
$8,000 to $4,000Natural diamond1 ct--1994-2025-Writer's mother's ring was appraised for $8k in 1994; a comparable stone can be bought for about $4k today
$8,118 to $7,306Lab-grown diamond5.25 ctheartQVC2024-QVC's retail listing for the same ring dropped from $8118 to $7306 before tax and shipping, per the asker's check of the site
$9,450 to $6,200Natural diamond–roundWhiteflash2023-2024-35%A second similar Whiteflash A Cut Above listing tracked the same way: $9,450 in Mar 2023 down to $6,200 in Oct 2024.
$10,000 to $15,000Natural diamond–--2019-2026-The asker's natural diamond ring bought for $10k in 2019 now sees similar stones selling for around $15k
$10,000 to $6,000Natural diamond–----Illustrative example: a $10,000 natural diamond might resell for about $6,000 (60%) after 25 years
$10,000 to $4,500Lab-grown diamond2 ct--2020-2023-Good 2ct lab diamond fell from about $10k three years earlier to roughly $4-5k by the time of the comment
$10,000 to $1,600Lab-grown diamond3 ct--2018-2023-3ct lab diamond prices fell from about $10,000 in 2018 to about $1,600 by 2023, per one buyer's comparison.
$10,000Lab-grown diamond10 ct--2025-A lab-grown 1:1 copy of a roughly 10ct celebrity-style ring can be bought for about $10k now, with lab diamond prices continuing to fall year over year
$10,000 to $6,000Lab-grown diamond3.5 ctround-2024-2026-Writer estimates the same 3.5ct lab diamond ring that cost $10k two years ago would run $6-8k today
$10,200 to $9,700Natural diamond1.5 ct--2022-2025-A bookmarked 1.5ct G VS2 GIA natural diamond fell only modestly in price over three years, undercutting 'diamonds are crashing' claims
$10,315 to $6,750Natural diamond1.46 ctroundWhiteflash2023-2024-35%A Cut Above Hearts & Arrows stone (SKU a4553620) tracked via archived pages: $10,315 in Mar 2023 down to $6,750 in Oct 2024.
$10,500 to $5,500Lab-grown diamond3 ct-Shane Co2024-Same store's price for a roughly 3 ct lab diamond fell hard within the year; the cheaper listing had better specs too
$11,200 to $9,700Natural diamond1.5 ct--2022-2025-Inflation-adjusted, that same stone's 2022 price would equal about $11,200 in today's dollars versus its current $9,700, implying a real decline
$11,500 to $5,500Lab-grown diamond4 ct-Macy's--4ct lab-grown solitaire in 14k yellow gold marked from $11,500 down to $5,500, plus a further 20% off with a store card
$11,500 to $3,000Lab-grown diamond4.5 ct-IDJ2022-2023-The person asking recalls 4-5ct lab emerald/oval diamonds cost roughly $8,000-15,000 about 8 months earlier; now sees similar loose stones under $3,000 at IDJ.
$12,000 to $3,000Lab-grown diamond1.7 ct--2023-Reply to a 12k lab ring bought earlier: a 1.7 ct lab stone now costs about 3k at most; the earlier figure was a whole ring
$12,000 to $4,400Lab-grown diamond3.5 ctround-2024-2026-Price of a 3.5ct round lab diamond at a well-known online vendor fell steadily from about $12k to $4,400 over roughly 18 months
$12,000 to $4,999Natural diamond2 ct--2016-2026-A buyer says a 2ct diamond that ran about $12,000 in stores a decade ago now lists for about $4,999
$12,000 to $15,000Natural diamond1.5 ctround-2011-Price for the stone alone about 15 years before this comment; illustrates how lab availability lowered prices
$12,000 to $15,000Natural diamond1.3 ct--2008-Writer recalls shopping for 1.3ct natural round diamonds priced $12,000-15,000 roughly 15-20 years before the comment
$13,000 to $16,000Natural diamond1.9 ctcushion-2025-Said current retail replacement value for an equivalent stone is about $16k, up from the original $13k purchase price
$13,000 to $3,000Lab-grown diamond3 ct--2021-2023-Writer's jeweler's asking price for a 3-carat lab stone fell from about 13k to 3k over roughly two years
14,000No stone (plain band)–--2021-2025-Gold prices rose enough by 2025 that the same 14,000 pesos would no longer buy even a basic 14k or 18k gold ring
$14,700 to $8,500Natural diamond2 ctroundJames Allen2015-2024-The asker's own 2ct GIA round solitaire cost this in 2015; a matching-spec stone now lists around $8,000-9,000 at the same online vendor
$15,000 to $1,500Lab-grown diamond2 ct--2021-2023-2ct lab diamond price fall: about $15k in 2021, roughly $6k in 2022, about $1500 by 2023
$15,000 to $5,000Natural diamond–--2024-Writer's natural diamond ring was appraised near this figure a few years earlier; says lab competition has since dropped the price of an equivalent ring to about this much
$15,000 to $1,000Lab-grown diamond–--2015-2025-Claim that a lab diamond bought about a decade ago for $15k would resell for only about $1k now
$15,000 to $5,000Natural diamond2 ct----Disputes a claim attributed to a GIA gemologist that 2-carat diamonds fell from this price to this price, says no such deal has actually been found
$16,000 to $2,500Lab-grown diamond4 ctprincess-2024-2026-Buyer predicted a similar 4ct lab diamond would fall to about a couple thousand dollars within two years
$19,000 to $7,500Lab-grown diamond3.25 ctother-2022-2025-The person asking compares a 2022 boutique-cutter quote for a similar large fancy-shape stone to a 2025 Whiteflash price of $7,500-10,000 for an equivalent lab stone
$20,000 to $40,000Diamond, lab or natural not said2.5 ct--2023-Same 2.5ct diamond specs said to cost about $40k now versus $20k a few years earlier
$20,000Natural diamond2 ct--2015-Says a 2 ct natural diamond ring cost around $20,000 about ten years before the comment
$20,000 to $3,000Lab-grown diamond2 ct--2010-2026-A 2-carat look that cost about $20,000 in natural stone in 2010 can now be matched for about $3,000 with lab-grown
$20,000 to $3,500Lab-grown diamond5 ct----Illustrative example: a 5ct lab diamond bought for about $20k is now worth around $3,500
$20,565 to $9,305Lab-grown diamond3 ct--2021-2023-3-carat lab grown diamond price dropped from $20,565 in Q1 2021 to $9,305 in Q1 2023
$22,000 to $30,000-–--2025-2026-Dealer regrets selling a fine emerald around $22,000/carat about a year earlier; thinks it could fetch close to $30,000/carat now
$22,250 to $2,300Lab-grown diamond4.16 ctround-2021-2023-The exact stone the writer tracked for years finally sold to her for a fraction of its early asking price
25,000 to 30,000No stone (plain band)–--2019-A 4.1 gram plain gold ring (PKR) bought earlier would cost about 30k PKR if bought new in 2019
$25,000 to $7,000Lab-grown diamond5 ctradiant-2021-2023-Vendor's illustrative example: a handmade 5ct E/VS1 lab radiant ring with trapezoid accents fell from about 25k to 7k in two years
$25,000 to $5,000Lab-grown diamond5 ct--2021-2023-A 5ct lab diamond that cost about $25k in 2021 had fallen below $5k by the time of posting
$30,000 to $800Lab-grown diamond2.23 ct--2025-Says a lab diamond this size cost $30k-$80k not long ago versus about $800 now, predicting roughly $80 soon.
$30,000 to $3,000-–----Writer's comparison: a ring that would have cost about $30,000 in natural diamonds now runs about $3,000 lab-grown
$34,000 to $25,000Natural diamond–round-2022-2024-An online pricing tool's algorithmic 'fair price' estimate for the same GIA-certified diamond fell over two years; writer gave the figures without a clear unit, read here as thousands of USD
$35,000 to $70,000Natural diamond3.25 ct--2020-2023-A similar natural stone that cost mid-$30k's in 2020 now runs above $70k, per Rare Carat listings in 2023
$38,000 to $4,000Lab-grown diamond4.51 ct-loosegrowndiamonds.com2020-2023-A 2020 forum post priced this stone at $38k; by 2023 a comparable stone cost about $3,000-4,000 at loosegrowndiamonds.com
$40,000 to $80,000Natural diamond–heart-1996-2023-A buyer noted $40,000 paid for the ring in 1996 would equal almost $80,000 today from inflation alone
$40,000 to $2,000Natural diamond3 ct--2026-Buyer's point that 3ct diamonds used to cost around $40k versus roughly $2k for a similar-look ready-made lab diamond ring now
C$40,000 to C$3,400Lab-grown diamond3 ct--2010-2026-A 3ct lab diamond ring priced around $40,000 in 2010 goes for about $3,400 now, per buyer
$40,000 to $7,000Lab-grown diamond4.8 ctround---A different HPHT lab diamond with similar proportions the writer tracked separately fell from this price to just under it recently
$42,000 to $160,000-–-Tiffany & Co.1980-2025-Picasso necklace's 1980 catalog price versus the asker's inflation-adjusted 2025 equivalent
$50,000 to $30,000Diamond, lab or natural not said–--2023-A stone in the writer's desired shape and size was marked down online from $50k to $30k
$50,000Natural diamond3 ct----Before lab-grown diamonds existed, a 3ct natural diamond cost roughly $50,000, which is why large stones today get assumed to be fake
₹50,000 to ₹100,000Diamond, lab or natural not said–--2025-Chain jewelers' (Tanishq, CaratLane, Malabar) engagement ring prices have risen to up to 1 lakh, up from under 50k previously
$56,000 to $5,000Diamond, lab or natural not said5.2 ct--2019-2024-A roughly 5+ct diamond that reportedly cost the buyer about $56,000 five years earlier could now be bought for about $4,500-5,500, reflecting how far lab diamond prices have fallen.
$60,000Natural diamond–----Ring designer says her average sale was about $60,000 at a well-known e-ring company before lab-grown diamonds took off
$60,000 to $43,000Natural diamond–--2022-2026-A natural diamond that cost about $60,000 in 2022 is closer to $43,000 now, per the buyer
$65,000 to $20,000Natural diamond1 ct--1979-1980-The same 1ct D-IF grade spiked between two New York dealers in the late-1979 speculative frenzy, then crashed within six months
$65,000Natural diamond1 ct--1980-Describes a 1ct D/FL natural diamond bought for $65k in 1980 whose price still hasn't recovered
$75,000 to $2,000Diamond, lab or natural not said–--2004-2024-Getting a big showy diamond look cost about this much 20 years ago; lab-grown now lets anyone get the same look for far less
C$80,000 to C$100,000Natural diamond5 ct--2026-Says 5-carat mined diamonds in Canadian retail stores currently run about $80,000-100,000
$90,000 to $203,000Natural diamond4 ctpear-2026-Inflation-adjusted equivalent of a 1990s $90k natural diamond ring and setting, calculated as about $203k in today's money
$125,000 to $135,000Natural diamond–----Buyer's ceiling for what the person asking could get in today's soft natural-diamond market
$155,000 to $220,000Natural diamond6.76 ctcushion-2022-2023-Same stone's asking price climbed sharply as it changed hands between resellers over about a year
$159,000 to $200,000Natural diamond7 ctoval---The same stone's earlier retail listing started at $159k, was raised to $200k, then pulled from sale before being privately re-offered to the person asking at $189k
$205,000 to $250,000-–--2016-2023-Buyer guesses a fresh appraisal today would top $250k versus the 2016 figure
$250,000 to $175,000Natural diamond5 ct----Same illustration: a 5ct natural diamond that cost about $250k is now worth around $175k
$350,000 to $325,000Natural diamond5 ctradiant-2021-2023-Same vendor's comparison: the equivalent natural version of that ring priced far higher, dropping only slightly over the same period
-Natural diamond–--2024-25%De Beers cut rough diamond prices by as much as 25% amid a sales slump, per the news articles the person asking linked
-Lab-grown diamond–--2020-2024-80%The person asking says lab diamond prices overall fell about 80% over the prior 4-5 years
-No stone (plain band)–--2022-2024+30%Says gold and silver are up about 30% since 2022, while moissanite is somewhat cheaper and lab diamonds are significantly cheaper now
$700Lab-grown diamond3 ctcushionAurelinne2024-2026-A similar fancy-yellow lab diamond bought in 2024 would now cost about $700, roughly $600 less, as lab diamond prices have fallen
-Diamond, lab or natural not said–--2008-2022+300%Writer says jewelry she bought in 2008 has quadrupled in value by the time of this comment
-Lab-grown diamond1 ct--2018-2022-80%A linked industry price chart shows 1ct lab diamond prices fell about 80% since 2018, confirmed by the person asking
$1,000Lab-grown diamond2 ctovalRitani2023-Claims a 2ct oval lab diamond of similar or better quality to mani_mani's ~$5k stone now runs about $1,000
-Natural diamond–--2022+35%Self-described lifelong natural diamond seller claims natural diamond prices rose 35% during 2022
-Moissanite1 ct-Charles & Colvard2020-2023+100%A pair of 1ct moissanite drop earrings bought on C&C's own Amazon store is listed at about double the 2020 price three years later
--–--2019-2023+300%Blue sapphire prices roughly 2-4x higher in 2023 than in 2019, per a gemstone-industry buyer
$20,000Natural diamond1.5 ct--2023-Argues lab-price deflation pulled natural prices down too, guessing the whole ring is not much over $20k; disputed by another jeweler reply
-Lab-grown diamond–-Ritani2023-Ritani's prices reportedly rose in the month before the comment, so it was no longer the cheapest online vendor
-Natural diamond–----45%Buyer says the max resale return on a natural diamond is about 45% off Rapaport, even with GIA certification
-Lab-grown diamond–--2023-Lab diamond prices were dropping month over month as of mid-2023; buyer suggests waiting and haggling
-Lab-grown diamond–--2017-2023-80%Jeweler with 40 years' experience says lab diamond prices fell over 80% in about six years since before Covid
-Lab-grown diamond–--2023-50%Says lab diamond prices have roughly halved compared to a year earlier.
-Lab-grown diamond–--2022-2023-30%Jewelry store worker says lab stones lost about 30% of their value over the past year while mined diamond prices went up
-Lab-grown diamond2 ct--2018-2023-Buyer paid about the same total (~$6-7k) for a 2ct lab diamond roughly 5 years earlier, showing how far lab diamond prices per carat have fallen since
-Natural diamond–cushion---50%Buyer's rule of thumb that a natural cushion-cut diamond's real resale value after purchase runs about half of what was paid
-Diamond, lab or natural not said–--2010-2023+100%An appraiser valued a diamond wedding set at roughly double what the couple paid about 13 years earlier
-Lab-grown diamond–--2023-50%The person asking estimates lab prices fell at least 50% from the start of the year to when they bought
-Natural diamond–--2024-40%Buyer says natural diamond prices have been cut by up to 40% on some stones in response to lab-grown competition
-Natural diamond–--2022-2024-A diamond trader says average natural diamond prices peaked around April 2022 and have declined since, though he sees them bottoming out
$100Lab-grown diamond1 ct----Same trader predicts 1-carat lab diamonds will eventually retail around $100 a carat as production costs keep falling
-Lab-grown diamond–--2024-50%Business Insider article cited as predicting lab diamond prices would fall over 50% more by end of 2024
-Natural diamond–--2009-2024+11%Buyer claims pink diamond investment value rose roughly 10-12% over the 15 years before the comment, and about 30% in the past year alone
-Moissanite–--2017-2023-In 2017 lab diamonds cost about the same as mined and were scarce; by 2023 lab diamond prices had fallen enough that a well-known moissanite cutter's stones cost about the same per carat as a well-sourced lab diamond
-Natural diamond–--2023-2024-25%Natural diamond prices said to have fallen about 25% over the past year
-Natural diamond–--2024-35%Says mined diamond rough prices are down this much
-Lab-grown diamond–--2021-2024-70%Lab diamond bought a few years earlier would resell for roughly 70% less today
-Lab-grown diamond–--2024-30%A buyer said trade-level lab diamond costs to jewelers fell roughly 30%, though consumer retail prices had not followed yet
--–--2024-25%Lab-grown stone prices from Chinese vendors fell about 25% from the prior year's already low prices
-Natural diamond–--2024-Buyer noticed bookmarked natural diamonds at an online retailer rose about $190 in price within two days
-Natural diamond–--2023-2024-30%Rough natural diamond prices fell 30-35% year over year (July to July), per a wholesale jeweler since 1989; retail lags behind
--–--2022-2024-30%Buyer says overall diamond pricing, lab and natural, dropped about 30% across the board over the two years before the comment
-Lab-grown diamond–-StoneAlgo--3%Writer says repeated week-over-week checks on a tracked stone showed roughly this size of decline each time.
-Natural diamond–--2023-2024-26%Cited a roughly 26% drop in most natural diamond prices in 2023, with another 20% drop forecast for 2024 per a diamond market analyst
-Lab-grown diamond–--2016-2024-90%Lab diamond prices described as down more than 90% over roughly eight years since lab-grown stones entered the market at scale
$800Lab-grown diamond2 ctoval-2021-2024-The same stone the writer overpaid for three years earlier now sells for under $800
-Lab-grown diamond–--2024-One buyer said lab diamond prices are falling rapidly because increased production, especially from China, is flooding the market.
-Lab-grown diamond–--2024-90%Buyer says lab-grown diamond prices have dropped sharply recently, making bigger stones affordable
-Natural diamond–--2024-20%Buyer says natural diamond value fell about 20% within the year
$100Lab-grown diamond–--2025-Writer expects lab diamond per-carat prices to fall under this amount by 2025 due to Chinese oversupply
$100Lab-grown diamond–--2024-2025-Predicts lab per-carat prices will keep falling to about this within a year
$1,000Lab-grown diamond5 ct--2025-Predicts lab-grown stones this size with good specs will soon cost under this amount
-No stone (plain band)–--2025+40%Jeweler said ordering the same wedding band now would cost about 40% more than the price the writer paid buying it in stock
-Diamond, lab or natural not said–--2025+12.5%A seller estimated new tariffs could push diamond prices up roughly another 10-15% if she waited a few weeks to sell
-Diamond, lab or natural not said–--2025+10%Good-quality stones already rose back roughly 10%+ in 2025 while lower-grade cuts kept falling
-Lab-grown diamond–--2025-7.5%Wholesale view: lab prices may fall another 5-10% at most since cutting and polishing labor costs are already near their floor
-Natural diamond–--2025+10%A 10% US tariff on Indian natural-diamond imports took effect after a proposed 27% rate was paused, threatening future shortages
$300Lab-grown diamond1 ct--2023-2025-70%Community member says lab diamond prices fell about 70% in two years; a 1ct F/VS1 now runs roughly $300
--–--2018-2025-17.5%A comparable stone now prices about 15-20% below what the buyer's wife paid roughly 7 years earlier.
-Natural diamond–-Whiteflash2025-27.5%A vendor rep says natural diamond prices are off their peak by 25-30%, with new tariffs adding further uncertainty
-Lab-grown diamond–--2019-2025-90%Says lab-grown prices dropped about 90% over the last six years
-Lab-grown diamond–--2025-90%Says lab-grown diamonds have dropped about 90% in wholesale value over recent years, unlike naturals
-Natural diamond–---+3%Claims natural diamonds have appreciated on average about 3% a year over decades, despite poor resale
-Natural diamond–-PriceScope diamond price chart2008-2025-15%A public diamond price index shows only about a 15% decline since 2008, with 0.5-1 carat stones seeing the sharpest drop
-Natural diamond–--2022-2025-6%1-2 carat natural diamonds specifically estimated down only about 6% since 2022
-Lab-grown diamond–--2022-2025-80%Lab-grown diamond prices estimated down about 80% over the same 2022-2025 period
-Natural diamond–--2022-2025-22%One buyer's own estimate: overall natural diamond prices down roughly 20-25% since 2022
-Lab-grown diamond1 ctround-2020-2025-74%Lab-grown 1ct round diamonds reportedly fell about 74% in price from 2020 to early 2025, per a cited CNN Business report
-Lab-grown diamond–--2023-2025-Lab diamond prices dropped substantially over the prior two years, then ticked back up in the last month due to trade/tariff issues
-Lab-grown diamond–--2025-76%One buyer says lab diamond sale prices dropped roughly 76% over the past couple of years and are still declining
-Lab-grown diamond–--2025-75%The person asking confirms current retail price of their stone is exactly 1/4 of what they paid; a roughly 75% drop
$140,000Natural diamond3 ct-Tiffany2025-Brand-new replacement cost today for a comparable roughly 3-carat platinum Tiffany solitaire
-Lab-grown diamond–--2015-2025-82.5%Buyer says the lab-grown diamond market crashed roughly 75-90% over the past decade
-Natural diamond–--2021-2025-35%Buyer says natural diamond prices have dropped about 35% since 2021 when the person asking bought this stone, on top of it now being a used stone
-Lab-grown diamond–--2018-2025-80%Says the diamond he was quoted about 7 years earlier is roughly this much cheaper today at the first site he checked
-Natural diamond–--2015-2025+450%Claims rare Argyle (Australian pink) diamonds have appreciated 450 percent over the last decade
-Lab-grown diamond–--2018-2025-96%Lab diamond per-carat prices reportedly down 96% since 2018 per a cited Reuters article, blamed on oversupply from Chinese and Indian producers
-No stone (plain band)–--2020-2025+100%A jeweler said gold prices roughly doubled between the COVID pandemic and the 2025 presidential inauguration, and have risen further since
-Lab-grown diamond–-Fiorese2025-50%Vendor running a sale on colored lab diamonds at roughly half the price being questioned in the post
-No stone (plain band)–--2025-Gold price rose roughly £500 between September and December per a bespoke UK jeweler, driving up custom ring quotes
-Lab-grown diamond–--2021-2025-50%Lab diamond prices said to have fallen by half or more over about four years
-Lab-grown diamond–--2020-2025-80%Says mass production has cost lab-grown diamonds over 80% of their value in the past 5 years
-No stone (plain band)–--2025-2026+40%A jewelry-trade buyer said gold prices are up roughly 40% year over year, pushing buyers toward lower karat gold
-Lab-grown diamond–--2026-50%Writer says lab diamond prices fell roughly 50% in the six months before the post
--–--2026+250%Sapphire prices have reportedly climbed 200-300%+ over the past few years, per a buyer
-No stone (plain band)–--2026+30%A buyer cites a projection of about a further 30% rise in gold price over the course of the year
--–--2024-2026+100%A buyer says gold prices have roughly doubled since 2024, which they link to rising demand for antique and vintage jewelry
-Lab-grown diamond–emerald-2021-2026-83%Says his 2026 8.54ct emerald-cut upgrade cost about a sixth of the price of the 4ct radiant cut he bought her five years earlier
-Diamond, lab or natural not said–--2006-2026+100%A buyer's engagement ring and wedding band appraised at basically double their price when taken in for resizing 20 years after purchase
$600No stone (plain band)–--2026-A simple 2mm 14k gold band with no ornamentation now runs about 600 given current high gold prices, more than it did a few years earlier
-Natural diamond–--2026-35%Natural wholesale market overall, said to have recovered from about a 50% loss to roughly 30-35% down
-Natural diamond1 ctprincess-2011-2026-75%A 1ct princess cut natural bought about 15 years earlier said to resell for only about 25% of its value now
-Lab-grown diamond–--2017-In 2017 lab-grown diamonds ran only about 10-15% cheaper than natural and held no resale value, so the writer bought natural back then
--–-Mejuri--Mejuri raised prices on its 14k gold pieces by at least $300 each
-Lab-grown diamond–--2023-2026-Lab diamond prices have dropped considerably over about three years; older purchase prices aren't a fair comparison to today's.
--5.5 ct---+50%A similar 5.5ct finished deep purple-pink sapphire cut from a 16ct rough resold for about 50% more than its original sale price after 2-3 resales
-Lab-grown diamond–--2023-2026-75%Lab-grown wholesale prices fell an estimated 70-80% over three years, per a detailed buyer
-Lab-grown diamond–-Luvansh2026-A buyer heard Luvansh's prices were rising as the brand and similar sellers grew more popular
--–--2023-2026+50%Gold price roughly 1.5x higher in 2026 than when he bought his ring and band in 2023-2024
-Lab-grown diamond–--2026-75%A self-described diamond dealer said lab diamond prices have dropped 70-80% in just a few short years as manufacturers undercut each other
-No stone (plain band)–--2025-2026+150%Silver metal price said to have climbed 150% over the past year; linked to Pandora dropping sterling
-Natural diamond–--2021-2022+8%Buyer estimated 3+ carat antique diamond prices rose about 8% from the prior fall to mid-2022
-Lab-grown diamond–--2026-82%Buyer says lab diamond prices have fallen about 82% since they were first introduced
-Lab-grown diamond–--2023-2024-50%An industry buyer expects lab diamond retail prices could halve again within a year as growers oversupply and retailer markups shrink from about 4x to 3x cost.
-Natural diamond–--2023+5%The person asking noted colored diamond prices were largely unaffected except fancy yellow diamonds, which rose 5%
$100Lab-grown diamond–--2023-Industry economist Martin Rapaport predicted lab diamond prices would eventually settle around $100 a carat for all sizes.
$500Lab-grown diamond–--2023-2024-Predicted lab diamond price of around $500/carat by mid the following year, still leaving retailers a healthy margin.
-Natural diamond–----30%Buyers reselling pre-owned natural diamonds should generally expect to recover only about this much less than they originally paid
-Lab-grown diamond–--2023-The person asking guesses lab diamond prices have been dropping by roughly $50 a month lately.
-Natural diamond–-Whiteflash-+100%A buyer says stones he tracked at Whiteflash roughly doubled in price over the several years since the store opened
-Natural diamond–--2009-2024+10%Forum price chart shows roughly 10% higher prices today than about 15 years earlier for 1-2 carat diamonds
$3,000Lab-grown diamond6 ct----Prediction that an oversupply of large lab stones will soon push good-quality 6ct-plus retail price below this level
-Lab-grown diamond–--2022-2023-60%Lab-grown diamond prices reported to have fallen around 60% during 2023 per a cited article
-Lab-grown diamond2.5 ct--2023-2024-50%Owner checked the current price for an equivalent 2.5ct lab stone about a year after buying and found it had fallen to roughly half
-Diamond, lab or natural not said1 ctround-2022-2024-45%The person asking says round 1ct diamond prices are now roughly 40-50 percent cheaper than a couple of years earlier
-Lab-grown diamond–--2025-50%A a diamond buyers' forum dealer said lab diamond wholesale prices were unlikely to fall more than another 50% from current levels
-Natural diamond–--2025+27%Expected tariff-driven increase for diamonds sourced from India
-Natural diamond–--2025+5%High color/clarity natural stones rose about this much; lower grades stayed flat or dipped slightly
-Natural diamond–--2025+27%A local jeweler said her overall diamond stock cost rose this much amid tariffs
-Natural diamond0.34 ct-Whiteflash2025-40%Replacing a 0.34 ct F natural stone bought years earlier now costs about 40% less
-Lab-grown diamond–--2025-4%Wholesale lab diamond costs were falling about 3-5% per month; retail prices still had a long way to fall as competition and oversupply increase
-No stone (plain band)–--2024-2025+33%Gold jewelry market pricing described as about 33% higher than the same date the prior year.
-No stone (plain band)–--2023-2025+60%Gold jewelry market pricing described as about 60% higher than it was two years earlier.
-Natural diamond–--2012-2022-20%Retail diamond prices fell more than 20% between a 2012 purchase and a 10th-anniversary upgrade
-Natural diamond–--2025+6%The person asking cites Indian manufacturers raising prices on mainstream-quality natural diamonds about 5-7% around mid-2025
-Natural diamond1.41 ct-James Allen2015-2025-40%Retail price on stones comparable to the buyer's original 1.41ct is now about 40% lower than 10 years earlier
-Lab-grown diamond–-LGD2025-30%The person asking later reports a sitewide 30 percent discount at the same vendor after the price swings
-Natural diamond–round-2025-An owner said assembling a matched suite of loose antique old-cut diamonds has gotten harder and pricier since the post, as the shops that used to sell them loose have closed; buying an already-made antique band is now the better bet.
-Lab-grown diamond–--2026-A buyer said lab-grown diamond prices have kept falling, meaning lower-cost stones of comparable quality are available from other sources besides a premium vendor.
-Natural diamond–--2023-2026+50%Buyer said upgrade programs now typically require paying 50-100% more than the original purchase price, down from full-value trade-ins in past years
-Lab-grown diamond–--2018-2026-96%Wholesale lab-grown diamond prices reportedly down about 96 percent since 2018
-Natural diamond–----20%Natural diamond prices have stabilized after falling about 20% from their recent high, per a buyer.
-Natural diamond5 ct--2011-2026+100%Writer says her mined 5-carat diamond's value has nearly doubled over about 15 years
-Natural diamond–----80%Buyer said natural diamonds are lucky to retain about 20% of their original purchase price on resale
-Natural diamond–--2025+15%US tariffs on India-cut diamonds expected to raise virtual/online inventory prices roughly 10-25%, about 15%, almost overnight around Aug 1 2025
-Natural diamond0.91 ct--2015-2025-50%The jeweler's current price for a stone comparable to the asker's original .91ct is about half what the person asking paid for it in 2015
-Natural diamond–--2025+50%US tariff on diamonds cut in India jumped from 10-25% in early August 2025 to 50% by late August, since India cuts about 80% of the world's diamonds
-Natural diamond1.4 ct--2025-By September 2025 natural stones above about 1.40 carats, especially large high-quality ones, were the first sizes to see real tariff-driven price increases, though still below levels from a few years earlier
Related on this site

Sources and method

Price reports on this page come from 279 public discussions where buyers answered in their own words. Each comment that stated what someone paid became one row; notes are paraphrased, never quoted.

The largest discussions used here (60)