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The market · page 7 of 8 · updated September 2026

Prices set side by side from $60,000 to $7,000,000

2,805 quoted prices of this kind. Half of the US ones fall between $1,000 and $9,500, median $2,500. None of them is a purchase. This page holds the 400 quoted from $60,000 to $7,000,000.

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PriceStoneCaratShapeWhereYearWhat was quoted
$60,000Natural diamond3.9 ct--2024Highest estimate given for what the asker's 3.9ct ring would cost as a natural diamond, 'at least'
$60,000Natural diamond3 ct--2024Buyer estimated a natural diamond with similar but slightly lesser specs to their 3ct E VS1 lab stone would have cost about $60,000
$60,000 to $80,000Natural diamond4.2 ctemerald-2026Buyer's estimate of what a natural diamond matching her 4.2ct lab emerald's cut, color and clarity would have cost
$60,000 to $120,000Natural diamond6 ct---Comparison estimate for an equivalent 6ct natural stone
$60,000Natural diamond3 ctpear-2026Buyer estimated the same 3-carat pear diamond ring would cost about $60,000 if the stone were natural rather than lab-grown.
$60,000Natural diamond3 ctother--A mined 3ct Ashoka-cut diamond, a rare proprietary cut, was cited around $60,000 vs $2k for the lab version
$60,000 to $80,000Natural diamond4 ct--2026Estimate of what a comparable 4-carat natural diamond ring would cost today depending on quality
$60,000 to $75,000Natural diamond–---Writer estimates the same 20th-anniversary diamond and ring set would have cost $60,000-$75,000 in natural instead of the $12,000 paid for lab
$65,000Natural diamond2.9 ctradiantBlue Nile2023Price of the natural equivalent to the writer's $4,000 lab diamond of the same specs
$65,000Natural diamond–-Tiffany & Co.2024Same specs (color, clarity, triple excellent, no fluorescence) were listed at $65k at Tiffany before the writer found a local match for about half
$65,000Natural diamond–---Natural equivalent of a near-flawless lab ring would cost about $65k
$65,000 to $80,000Natural diamond–--2026Buyer said only top-quality diamonds priced above roughly $65k-$80k reliably hold their value
$70,000 to $75,000Natural diamond3.21 ct---Buyer believes the same stone without strong fluorescence would be worth $70-75k
$70,000Diamond, lab or natural not said–--2023A 15-year jewelry veteran said a genuine version of the asker's ring with good diamonds of that size would start above 70k
$70,000 to $80,000Natural diamond4.5 ct--2023A similar natural stone with lower color or clarity could fetch $70-80k
$70,000 to $150,000Natural diamond4 ct--2023Estimates a natural 4ct stone could run this much depending on cut and source
$70,000Natural diamond2.5 ct---A natural diamond with the same specs as her lab-grown stone would cost around this much
$70,000Natural diamond3 ct---The same 3-stone ring design quoted at $70,000 if made with natural diamonds instead of lab
$70,000 to $700,000Natural diamond6 ct---AI-cited estimate range for a 6ct mined diamond set in a gold band
$70,000Natural diamond–--2025A similar old mine cut stone she inquired about separately was quoted around $70,000, far above the $20,000 comparable stone
₹70,000 to ₹150,000Lab-grown diamond–-Aukera2026Visited a store with a 1 lakh budget; suggested this as a realistic range for a good lab-grown ring in India
$70,000Natural diamond3 ct---Writer says a top color/clarity 3ct natural diamond runs about $70k and up
$75,000Natural diamond–-Tiffany-Comparable natural diamond ring with similar gold weight quoted at Tiffany around $75k
$75,000Natural diamond2 ct---A self-described gemologist priced a 2ct VS1 excellent-cut G-color natural diamond at about $75,000
$75,000Natural diamond–--2025Writer's estimate of what a mined equivalent of their $1,200 ring would cost
$75,000Natural diamond4 ctoval-2025Estimated a natural equivalent to the 4ct oval lab stone in the post would cost at least this much
$75,000Natural diamond–--2025Chose a cheaper lab anniversary ring instead of a natural one that would have cost about $75,000
A$80,000Diamond, lab or natural not said3 ct---Quote received elsewhere for essentially the same ring, about double the price actually paid
$80,000 to $150,000Natural diamond3.5 ct--2023Writer's estimate of what a mined diamond matching their roughly 3.5 ct lab stone would cost
$80,000-4.8 ct---Community guess of $80k or more once the stone is fully certified.
$80,000-25.3 ct--2024Same buyer's guess at auction (e.g. Sotheby's) value, roughly double her appraisal estimate, before seller commission
$80,000-2 ct-Tiffany-Tiffany quote for a 2-carat stone citing clarity and origin markup, not purchased
C$80,000Natural diamond3.5 ct--2025Writer said an equivalent natural 3.5ct diamond would cost around 80k versus what he paid for the lab-grown version
$80,000 to $150,000Natural diamond4 ct--2025Cited general estimate for a mid-to-high quality natural 4-carat diamond ring
$80,000Natural diamond4 ct--2026Cited typical cost for a 4ct natural diamond in the same ladder
$87,000Natural diamond–emerald-2023Buyer's estimate of what a diamond matching her own 12x8mm emerald-cut moissanite would cost
$90,000Moissanite–--2024Buyer's estimate that a diamond of similar size/quality to her $3,000 high-end moissanite would run about $90,000.
$90,000Natural diamond4 ct--2025Comparable natural stud earrings price point the writer saw, versus $1,300 paid for the lab pair
$90,000Natural diamond3.5 ctcushion--Buyer guesses the asker's 3.5ct lab cushion would cost around $90,000 if it were a natural stone instead
$90,000Natural diamond4.6 ctoval-2026Said a natural diamond matching her 4.6ct oval lab-grown stone's quality and size would cost close to this much
$91,000Natural diamond5.69 ct-StoneAlgo2024An online pricing tool estimated a fair market price for the diamond the person asking was buying, well above the roughly $80k he was paying
$98,000Natural diamond6.04 ctovalThe Natural Sapphire Company-Real comparison listing: 6.04ct unheated eye-clean padparadscha sapphire, cited alongside the heated example
$100,000Natural diamond–round-2024The person asking says the same finished 3-stone ring would run into six figures if built with mined diamonds instead of lab-grown
$100,000Natural diamond4 ctradiant-2024Writer estimates the same 4ct E VS1 radiant spec in a natural diamond would cost about $100,000
$100,000Natural diamond0.5 ct--2023Rough cost of a natural blue diamond around half a carat; the writer bought a small blue lab stone instead
$100,000Natural diamond4.5 ct--2023A natural 4.5ct D/VS1 diamond comparable to the asker's lab stone would cost over $100k
$100,000Natural diamond8 ct--2023Estimated replacement/insurance value for an 8ct natural yellow diamond like the asker's at around $100k or more, though a resale would fetch far less
A$100,000 to A$200,000Natural diamond0.55 ct---Retail price cited in Sydney for a much larger, more intense 0.54-0.56ct Argyle pink; resale of such a stone would fetch only 30k-90k AUD
$100,000Natural diamond6 ctoval-2024A jeweler says a natural 6-carat oval like ones discussed here would run over $100k, far above the lab price.
£100,000Natural diamond4 ct---Guesses a natural diamond with the same specs (4ct+ centre plus two 0.5ct sides) would run almost six figures
$100,000Natural diamond4 ctpear-2025Buyer estimates a natural equivalent of this size and grade would cost at least this much
$100,000Natural diamond5 ct---Argued a natural 5-carat ring runs over $100k, doubting the neighbor could afford one while driving an economy car
$100,000Natural diamond5 ct--2025Buyer's rough guess at what a 5-carat natural diamond might cost, contrasted with a same-size lab stone
$100,000Natural diamond4 ctoval-2025Estimated a natural diamond that size would run over this amount
$100,000Natural diamond6 ct---Estimated price if the same look used a natural diamond instead of lab-grown
$100,000Natural diamond4.82 ctround--Estimate that a natural diamond of comparable size would run six figures, explaining why large stones are now assumed lab-grown
$100,000Natural diamond8 ct--2026Buyer said a natural 8ct VS1 F/G-color stone would run over $100k, contrasting with the lab-grown prices discussed above.
$100,000Natural diamond–oval--Buyer says a natural IF diamond this large generally runs over six figures, unlike a lab-grown equivalent
$100,000Natural diamond5 ct---Before lab diamonds became common, a natural 5-carat diamond ring reportedly cost around $100k; most lab buyers now choose 2-3 carats instead
$100,000Natural diamond5 ctround--Earth-mined antique-style 5ct diamonds she liked ran around this price; she had a lab diamond recut instead rather than wear that much value
$104,000 to $130,000Natural diamond–---Estimates a $130k natural diamond might resell for about 80% of its purchase price with a good private buyer
$110,000 to $115,000Natural diamond–-Tiffany2023Same Tiffany solitaire retails new for $110,000-115,000; buyer got hers secondhand at auction for $53,000.
₹120,000Natural diamond0.5 ct-Malabar-Same style ring in natural diamond quoted at this price, versus 55,000 rupees for the lab-grown version from Fiona Diamonds
$129,000Natural diamond–oval--A smaller but better-clarity oval the person asking found priced was $60k less than the $189k stone under consideration
$130,000Natural diamond6 ct--2023Estimates a natural 6ct stone like the one in the photo would run around this
$130,000 to $140,000Natural diamond2.56 ctround-2025Buyer's estimate for the asker's Type IIa stone, maybe more as a custom order; about $130K if untreated, less if HPHT treated
$134,000Natural diamond7 ctovalStoneAlgo2024StoneAlgo's projected fair market price for the same 7ct F SI2 oval, well under the $189k asking price
$144,000Natural diamond8.39 ctcushion-2026Looked up that an 8.39ct flawless natural of the same cut would cost about $144k, versus the $7 lab version he won
150,000Natural diamond1 ct---Hypothetical PHP example for a 1ct natural diamond ring, used to argue the resale-value math against lab-grown
$150,000Natural diamond–--2026Estimate of what an equivalent real-diamond tennis necklace would cost, vs $600 paid for the moissanite version (context, not a ring)
$150,000 to $250,000Natural diamond4 ct--2025Cited general estimate for a high-end natural 4-carat diamond ring with top color and clarity
$150,000Natural diamond5 ct--2026Cited typical cost for a 5ct natural diamond, used to argue big lab diamonds look unaffordable by comparison
₹150,000 to ₹200,000Lab-grown diamond–-Onya2026Found Caratlane notably cheaper than other vendors for identical specs; cited Onya lab diamonds in this range
$150,000 to $200,000Natural diamond4.03 ctroundGraff2021Buyer's rough guess of what a 4ct E VVS2 Graff ring like the asker's would cost
$175,000 to $185,000Natural diamond6.76 ctcushion88 Star Jewels / Rare Carat2023Two resellers' asking prices for the same stone landed within a few thousand of each other by mid-2023
$195,000Natural diamond6.76 ctcushionOld World Diamonds2023This reseller's asking price for the same stone was over 195k by mid-2023
$200,000Natural diamond3 ct--2022Buyer estimates a mined version of his 3ct lab diamond would cost upwards of $200,000, versus the $13k he paid
$200,000Natural diamond5 ctemerald-2023Matching natural 5 ct emerald cut; figure is a lower bound, the writer said over this
$200,000Natural diamond10 ct--2024Says this is the minimum a genuine 10-ct natural diamond would cost
$200,000Natural diamond7 ct---Jeweler's estimate of what a natural 7-carat diamond could cost, versus the roughly £3000 quoted for a lab-grown equivalent
$200,000 to $500,000Natural diamond5 ct---Cited a rough web estimate that a natural 5-carat diamond runs $200k-$500k, used to argue a neighbor's ring must be lab
$200,000 to $400,000Natural diamond14.02 ctradiant-2025Guessed a $200k-$400k range
$200,000 to $1,000,000Natural diamond0.8 ct--2025Buyer's research estimate for a natural 0.8ct fancy vivid blue VS1 diamond, up to $1M depending on depth of color and clarity
$200,000Natural diamond8 ctemerald--Combined retail/listed value of the 8ct ring plus eternity bands and earrings was about $200k, sold together for $100-125k
$200,000Natural diamond5 ctcushion-2025Buyer estimated a natural 5ct fancy intense yellow diamond of this color would cost $200k or more, versus $4,000 paid for the lab version
$200,000Natural diamond7 ct--2026One buyer estimated a natural 7ct G/VS diamond with the same look would cost roughly $200,000, versus the $8,000 lab ring discussed
$200,000Natural diamond6.76 ctcushionRita on the Rocks2023This reseller's asking price for the same stone was over 200k by mid-2023
C$215,000Natural diamond5 ct---Estimated cost to have an equivalent ring custom made today
$220,000Natural diamond6.76 ctcushionKelly K2023This reseller's asking price for the same stone was over 220k by mid-2023, the highest of the five quotes
$250,000Natural diamond–---A natural pink diamond matching her lab-grown stone's specs would cost about this much
₹250,000Natural diamond1 ct---Same buyer's estimate for a one-carat natural diamond, for comparison with lab-grown
$250,000-–-Graff-The Graff-style ring she originally liked was priced at $250k
$250,000Natural diamond14.02 ctradiant-2025Buyers's informal guess that the 14.02 ct fancy intense yellow stone is worth over $250k
$250,000Natural diamond5 ct--2025Same buyer's cited price for a comparable natural 5ct D VVS diamond
$280,000 to $320,000Natural diamond14.02 ctradiant-2025Estimated from recent auction comps for similar stones, before seller's fees; suggested the higher end if set with white diamond accents
$285,000 to $325,000Natural diamond14.02 ctradiant-2025Guessed $285,000-$325,000, praised the cut as exceptional
$300,000Natural diamond5 ct---Writer's estimate of what an equivalent natural 5ct D VVS2 diamond would cost, vs their lab stone
$300,000Natural diamond8 ct--2023Guessed an 8ct natural vivid yellow diamond could be worth upwards of $300k depending on specs, if genuine
$300,000 to $800,000Natural diamond–oval-2024Says a natural oval diamond of comparable size would cost this much, for comparison with lab-grown
₹300,000Lab-grown diamond3 ct--2025Estimated the celebrity's 3+ct lab-grown ring cost around 3 lakh minimum, based on writer's own 1ct lab ring costing 1 lakh in 2024
$300,000Natural diamond–---Says the same giant custom ring would cost about $300,000 if the stone were natural instead of lab-grown
$300,000Natural diamond5 ct--2026Said a comparable 5ct natural diamond costs around $300,000
$350,000 to $500,000Natural diamond6 ct---Estimate for an eye-clean, colorless natural 6ct stone
$395,000Natural diamond8.26 ctemerald-2023The person asking looked up the price for a natural diamond of the same specs, 8.26ct emerald G VS1, and found it would cost about $395,000
$400,000 to $800,000Natural diamond9 ctother-2023Gem cutter's estimate of what the asker's ring would cost as an actual diamond, based on approximating its visual size at about 9ct
$400,000 to $500,000Natural diamond8.5 ctprincess-2025Forum estimate of what a natural diamond matching the buyers's 8.5ct D/VVS1 lab-grown stone would cost.
A$400,000 to A$600,000Natural diamond–---Sellers asking $400,000-600,000 for Argyle-certified pink diamonds got no offers above roughly $100,000-150,000, per a jeweler's account of four recent attempts
$500,000-20 ctcushion-2025Speculative value if the stone were a genuine 20ct natural blue sapphire, which forum members doubt is possible
$500,000Natural diamond10 ct--2025Estimate for what a 10-carat natural diamond ring would cost, given to explain why a moissanite that size reads as obviously not real
$500,000 to $750,000Natural diamond0.5 ct--2025Buyer estimates a GIA-graded true-red diamond around this size would be worth about this much on the market
$500,000Natural diamond14.02 ctradiant-2025Guessed roughly $500k for the stone
$500,000Natural diamond–--2026Another buyer guessed the full ring-and-band set would be worth $500,000+ if the diamonds were natural instead of lab-grown
₹650,000Natural diamond1.2 ct---Buyer says they paid this for a 1.2ct natural diamond, used to question whether the lab quote was too low
$1,000,000Natural diamond–--2024A buyer says the large 10-12ct lab diamonds seen in the community would cost over $1 million if they were natural.
₹1,100,000Natural diamond3.2 ctcushion--India-based jeweler says a comparable K color VS2 stone would run about this much there
$1,300,000Natural diamond14.02 ctradiant-2025Guessed $1.3 million, well above the other buyers' figures
₹1,500,000 to ₹2,000,000Natural diamond3 ct--2025Estimated an equivalent natural diamond ring of the celebrity's specs would cost at least 15-20 lakh
₹1,800,000Natural diamond3.2 ctcushion--Same jeweler's estimate for a higher VVS1 clarity version of the same size and color
$4,000,000Natural diamond–---The asker's joking estimate of the per-carat price gap between this lab red diamond and a natural fancy red diamond
$5,000,000Natural diamond2 ct---Says a natural 2ct fancy vivid blue diamond would cost roughly this much, versus the asker's lab-grown stone
$7,000,000 to $10,000,000Natural diamond35 ct---Discussing a celebrity's 35-carat diamond ring, estimated still worth $7-10 million despite resale price being uncertain
-Diamond, lab or natural not said–--2023Buyer comparing two similarly specced rings found the 1 carat option quoted about 33% more than the 0.75 carat option.
-Lab-grown diamond–oval-2024The person asking compared two IF lab oval diamonds priced about $20,000 apart; the pricier one faces up more than twice as large
--2.5 ct--2025The person asking compares a 2.5ct CVD pear E VVS2 from RingLegacy to a 2.5ct HPHT round F VS1 from a local jeweler; the CVD option is $500 cheaper
-Lab-grown diamond3.65 ctroundGemone2026Buyer said in-house custom cutting at Gemone saves about 15% versus sourcing an already-cut stone at wholesale elsewhere
-Other gemstone7.5 ct--2026The person asking says the smaller emerald ring she is also considering costs about one-tenth the price of the 7.5-carat emerald ring
$1,500No stone (plain band)–--2014Estimate for a plain 14k gold ring setting, not counting anything unusually elaborate
C$900No stone (plain band)–-Costco2019Writer later learned Costco sells men's platinum bands for under this price
$150Moissanite–--2021Claims larger moissanite rings can easily be found for under this amount
-Moissanite–---Writer says their moissanite ring cost about 80% less than a comparable diamond ring
-Lab-grown diamond–--2022Chinese lab-diamond vendors price close to US vendors under about 2 to 2.5 ct; above that, US prices roughly double while Chinese vendors stay cheaper
$500Moissanite–--2022Estimate for the same stone bought from an overseas vendor
$500Moissanite–--2022Opinion that the ring should not cost more than this
-Diamond, lab or natural not said2.22 ct-Ascot Diamonds2022The 2.22ct option was quoted roughly $3,000 more than the 1.67ct option at the same vendor
-No stone (plain band)–-Costco2022After shopping six jewelers, Costco ran about 40% less on a men's plain comfort wedding band
-Lab-grown diamond3.01 ctpearRareCarat2022Buyer found the same-spec stone through RareCarat gemologists for about 10% less than James Allen's price after searching
$1,000Natural diamond1.28 ctoval-2022This buyer's max retail price estimate; says the $2,000 quote is too much
-Lab-grown diamond–---Lab-grown diamonds cost roughly 30 percent less than natural diamonds of the same quality, per a former industry worker
$1,000Moissanite–--2022Guessed a moissanite version from China vendors would be under 1000
$1,000Lab-grown diamond1 ct-Ritani2022A 1ct lab diamond available at Ritani for under this amount, as a cheaper alternative to Costco
$2,500-–--2022Estimate for having a similar ring custom made in full, stone plus custom setting, for under this amount
$6,000Natural diamond–--2022Buyer says this stone shouldn't cost more than $6,000
--–---Estimates at least a 70% retail markup on the asker's asking price; also notes overseas vendor shipping typically runs $30-140
-Diamond, lab or natural not said–-LC Rings2022Buyer says a similar ring with better color and clarity from this online retailer cost about half of what the person asking had been quoted.
-Lab-grown diamond3 ct--2022Buyer says a 3ct lab stone can run $50,000 or more cheaper than an equivalent natural diamond
$20,000Lab-grown diamond2 ct--2022Buyer says a 2ct-plus lab diamond is easy to find for under $20,000
--–---Bought from parents' jeweler in Colorado for about 60% less than a California quote for similar quality
$35,000Lab-grown diamond–--2022Another buyer says the natural equivalent of her own lab diamond would have cost about $35,000
-Lab-grown diamond–--2022Buyer says the same-spec lab diamond studs cost at least 5 times as much at local NZ jewelers as at online retailers
-Natural diamond–-local jeweler vs Blue Nile/Jared2022Buyer's local jeweler quoted about 15% more than Blue Nile or Jared for a comparable GIA-certified stone
-Natural diamond1.6 ct-Blue Nile-A 1.6ct solitaire bought online cost about 65% of what the same stone would have cost bought in a physical store
-Diamond, lab or natural not said–-Tiffany & Co.-A former Tiffany employee says the retail markup on their jewelry runs about 70% over cost
-Lab-grown diamond–-Ritani2022Bought through Ritani; the same stone was quoted $2,500 higher at Brilliance.com
-Lab-grown diamond–-Brilliance.com2022Buyer's stone cost less than half of what Rare Carat listed for the same stone
-Lab-grown diamond–-local jeweler2022One local jeweler quoted even less than Brilliance.com, though other local jewelers were close to or above Rare Carat's price
-Lab-grown diamond2.63 ctround-2023Buyer says the exact same diamond they bought at Ritani was listed $2,500 higher at another site
-Diamond, lab or natural not said–---Branded luxury rings (Tiffany, Cartier) typically resell for about 70% of retail, roughly a 30% loss
-Diamond, lab or natural not said–---Unbranded diamond rings often resell at a 70-80% discount from purchase price in preloved marketplaces
-Diamond, lab or natural not said–---Preloved Tiffany rings with paperwork typically resell losing only about 10-30% of what was paid
$1,000Diamond, lab or natural not said–--2023Claims a moissanite or lab diamond ring-and-band set can be found for under $1,000
$30,000Natural diamond3 ct--2023Chose a natural 3ct over lab despite estimating it cost about $30k more, due to family being diamond/gold refiners by trade.
$3,000Natural diamond–--2023Could have bought a $3k natural diamond but chose a lab stone from Vrai instead for ethical reasons; Vrai price not given.
-Natural diamond1 ct-Tiffany & Co.2023A buyer said a 1910s 1-carat Tiffany ring still costs about twice as much as an equivalent unbranded antique diamond ring today.
-Lab-grown diamond3.85 ctcushionRareCarat2023RareCarat initially quoted more than $4,000 above the same stone's Ritani listing before agreeing to price-match
-Moissanite–-Charles & Colvard2023A moissanite center stone from C&C is described as costing 3 to 4 times more than the same stone bought from a vetted overseas vendor
-Lab-grown diamond–--2018Trade insider says five years earlier lab diamonds sold at only about a 30% discount to natural, unlike today's much larger gap
-Natural diamond–--2023Buyer says they got a GIA stone with very similar dimensions for about half of the asker's $12,500 quote
$21-400 ct-eBay2023A 300-400 carat synthetic ruby boule half-slice on eBay would cost less than the $21 the person asking paid for a smaller piece
$20,000Natural diamond3 ct--2023Researched and says a decent natural 3ct can be found under $20k, and definitely under $30k
$5,000Lab-grown diamond3 ct--2023Says a similar 3ct lab diamond could be found for around $5k elsewhere
-Natural diamond–-James Allen2023A buyer found a similar-spec diamond at James Allen for about $1,000 less than the ~$5k Costco ring under discussion.
-Natural diamond–---Same jeweler says natural diamond resale typically returns only 50-60% of the original purchase price
-Lab-grown diamond6.51 ctasscherRitani2023Same 6.51ct E VS1 asscher lab diamond linked from James Allen listed at Ritani for about $15,000 less
$75,000Natural diamond–---If the stone shows strong blue fluorescence, the same buyer puts the ceiling around $75k or less
C$6,000Lab-grown diamond5 ct--2023General estimate, based on the writer's own build, that a fully set 5ct lab diamond ring is doable all-in under this amount
-Natural diamond–asscher-2007In 2007 her local jeweler charged about three times the online price for an asscher, and online stones were better quality
-Lab-grown diamond–--2023Labs were only about 30% cheaper than natural when the writer shopped, versus a much bigger gap now
$10,000Lab-grown diamond5 ct--2023Guesses the roughly 5ct stone in the photo, if lab-grown, would be worth under this
$5,000-–-Brilliant Earth2023A very similar-spec ring listed there for under $5,000
-Lab-grown diamond–---Suggests the person asking would recover only about a third of the ring's value by selling it, versus donating it for a full tax write-off
-Lab-grown diamond–--2023Jeweler/gemologist said 5500 was about double the going rate; for roughly 500-700 more than the fair price you could get a high-quality E/F, VS1-VS2 white lab stone
-Lab-grown diamond2.5 ct--2023HPHT-grown stone priced $700 less than a comparable higher-color option because of a faint blue body tint from its growth process.
-Lab-grown diamond–--2023Smaller G-color CVD stone priced $400 more than a larger E-color VS1 stone whose growth method wasn't specified on the report.
-Lab-grown diamond9 ct-Charles & Colvard2023Sells a similar 9ct lab eternity band for a few thousand dollars less than what the person asking paid
-Natural diamond–--2023Irradiated blue diamonds are typically priced about like M color diamonds plus a small treatment premium
--–--2024The same diamond was found listed across different sites with prices differing by $1,000 to $3,000
-Lab-grown diamond1.52 ct-Brilliance.com-Same IGI-certified stone also listed with a 20% off code, undercutting Ritani's price.
$2,000-–---For just the stone, says no more than $2k, has seen under $1k; E color costs more but not $4k
$2,500-–---Opinion that a stone with excellent proportions should top out around $2000-2500
-Lab-grown diamond2.11 ctcushionFiorese2024The same maker later ran a group-order sale on the identical ring setting, priced lower than the $1,700 the person asking originally paid
-Lab-grown diamond2.51 ctcushionFrank Darling2024A comparable cushion lab diamond found priced a little lower than the asker's $3,307 quote
$400-–--2024Claimed a similar vintage emerald ring could be found elsewhere for under this amount
$6,000Lab-grown diamond–---Buyer's benchmark for a genuine friends-and-family price, vs the asker's $6,200 quote
-Natural diamond2 ct--2024The asker's understanding that eye-clean natural stones of similar size cost roughly double this included stone
-Lab-grown diamond–round--2ct-plus round lab stones currently selling 90-95% below comparable natural diamond prices, per a seller
-Lab-grown diamond–-Rare Carat2024Rare Carat price-matched a diamond from Rockher after the two listings turned out to differ by about $3,000
$65,000Natural diamond3 ct---A jeweler here offered to recreate the ring with a 3ct F VVS1 excellent-cut center for under $65k total, versus the $85k Tiffany ask
-Moissanite–--2024Her moissanite ring cost $500 less than a comparable option elsewhere despite being 0.5mm larger, due to differing merchant sourcing
-Lab-grown diamond–-Brilliant Earth2024A vendor-list moderator said Brilliant Earth prices lab diamonds roughly double what independent diamond-district jewelers charge
$1,000Lab-grown diamond2.51 ct---Says a stone this size should cost under $1,000 alone with a setting adding a few hundred more, about a tenth of the quote
-Diamond, lab or natural not said–--2024Writer negotiated the ring price down 15-20%; a coworker separately negotiated about $1,500 off his own ring
$1,800Lab-grown diamond0.75 ct--2024Estimated full ring cost, diamond plus setting, for a .75ct lab stone via recommended online vendors
-Natural diamond5.03 ctradiant-2024Buyer's fiancé says his IGI-certified natural stone cost roughly $10k less than a comparable GIA-certified stone, thanks to family diamond-trade connections; exact price undisclosed
-Diamond, lab or natural not said–-Browns2024Custom wedding band from Poggenpoel cost about 60% of what Browns (a South African mall jeweler) was charging for a similar piece
$4,025Lab-grown diamond10 ctoval-2024Claims they could build an equivalent ring for about half of the asker's $8,050 price
$10,000Lab-grown diamond–marquiseJann Paul-Guesses a newly released custom marquise cut from this maker would run about half of a $20k benchmark
$2,000Lab-grown diamond3.6 ctround--Buyer says $2,000 is a reasonable regular, non-sale price for a lab stone of this quality; he paid about $1.1k only due to a sale plus a compensation upgrade
--–---Found the identical IGI-certified stone at Rockher for over 5000 less than the original Rare Carat listing price
--–---Says brilliance.com currently has lab diamonds discounted by this much off
$1,000Lab-grown diamond–round-2024Buyer found a round diamond with the same specs as her own ring listed elsewhere for less than $1k
$2,000Lab-grown diamond1.25 ct--2024A family-run local jeweler offered 1.25-1.5 carat lab diamond center stones with many setting options for under $2k
-Lab-grown diamond–-Shane Co2024Buyer found Shane Co charged about 70% more for a lesser equivalent stone than what they paid at a wholesaler
-Lab-grown diamond–-With Clarity2024Buyer's exact stone was priced about 70% higher at With Clarity than at the wholesaler they bought from
-Diamond, lab or natural not said2.6 ctradiantBrilliance.com2024Buyer had a 2.6ct radiant (1.48 ratio) ring in production during a 30%-off sale at this vendor
$2,000Lab-grown diamond4 ct--2024Buyer contrasts a 4+ carat synthetic stone bought under this price with buyers spending $30k-$50k on natural diamonds
-Lab-grown diamond–-LooseGrownDiamond.com2024LGD lists many of the same lab diamonds as other sites for almost half the price
₹2,000Moissanite2 ct--2024Cited a 2ct moissanite ring costing at most about this much, much cheaper than a lab diamond
-Natural diamond–--2024The person asking cites a study finding IGI-certified natural diamonds average about 12% cheaper than equivalent GIA stones
-Natural diamond–--2024A dealer argues the real market discount for IGI stones versus GIA is much bigger than the cited 12% figure
-Natural diamond–--2024Color-enhanced or treated natural diamonds are said to sell on the retail market for roughly a third of an equivalent untreated stone's value
-Lab-grown diamond–---Another shopper found near-identical specs listed for about 20% of what their own dealer quoted, raising suspicion about the site's legitimacy
--–---GIA-graded diamonds typically cost about 15% more than the same stone graded by another lab
-Natural diamond2.72 ctcushionRarecarat2024Suggested as a better-value alternative: about 17% smaller face-up but eye-clean with no fluorescence, versus the hazier 4.07ct listing.
$40,000Lab-grown diamond2.13 ct-Concierge Diamonds2024Buyer's 2.13ct lab diamond from Concierge Diamonds would have cost at least $40k if natural; the actual lab price wasn't stated.
-Diamond, lab or natural not said–---Buyer estimates both natural and lab diamonds lose about half their value once cut, set and resold
-Lab-grown diamond–---Buyer has heard lab-grown runs roughly one-tenth the price of natural, suggests buyer verify
-Natural diamond3 ctovalRareCarat2024RareCarat price-matched a 3ct oval engagement stone, saving the buyer $3,700 versus the original listed price
-Diamond, lab or natural not said–---Quotes from two local jewelers came in slightly lower than the listed prices at James Allen and Jared for similar or better rings
-Diamond, lab or natural not said–-James Allen-A Black Friday weekend sale took 40% off the writer's ring at James Allen
-Diamond, lab or natural not said–-Kay-Buying online through RareCarat with StoneAlgo price-matching saved almost $3,000 versus Kay's in-store diamond event pricing
$10,000-–-Verragio2025Same buyer has seen other Verragio settings sell for under $10k, well below the $20k they paid for theirs
$25,000Natural diamond2 ct--2025Said $25k might get a 2ct natural diamond ring if you find the right stone; $18k won't reach 3-4ct natural except champagne or salt-and-pepper diamonds
-Lab-grown diamond9 ct-Loose Grown Diamond2025Found an $11k price gap on the same 9-carat stone between sites; ordered from the cheaper one
-Lab-grown diamond–---The identical lab stone was about $1000 more expensive listed on stonealgo/adiamore than bought directly from loosegrowndiamonds
-Lab-grown diamond–--2025A jeweler says the asker's quoted center stone price works out to about a 1,300% markup over wholesale, versus a normal 15-70% markup
$1,000Lab-grown diamond3.01 ctradiant-2025Buyer's opinion that the center stone alone shouldn't cost more than this
C$3,000-–---Estimate that a similar 2ct oval lab diamond ring could be found online for under 3000 total, setting alone worth about 500
-Lab-grown diamond2 ct-Brilliance-Same style fancy blue lab diamond priced considerably higher at this vendor than the roughly $700 stone bought elsewhere, though still far below a natural equivalent
$7,500Natural diamond2.02 ctcushion-2025Diamond broker said the $10k quote has room to fall, shouldn't be more than this
--–-diamond district2025Claims diamond district rings styled like Cartier's cost roughly a third of the branded price
-Diamond, lab or natural not said–--2025Buyer says dealing directly with an independent diamond seller in Surat, India got him about 50% below any public website's price
$1,000Lab-grown diamond0.75 ct--2025Says 0.75 ct lab-grown diamond rings typically run under $1,000 depending on quality and gold type, versus the $2,100 quoted for a natural stone
-Natural diamond1 ctroundDiamonds Direct2025Alternative stone suggested as better than the asker's two options, in a similar price range
-Lab-grown diamond2.45 ctoval--Rare Carat price-matched Calavera for this stone, saving about $3,900 on the stone and roughly $4,500 total after tax and setting
-Lab-grown diamond–---Rare Carat price-matched Calavera's diamond price to a setting found on Rare Carat, saving about $2,500 on the stone
$1,500Lab-grown diamond3 ct-LooseGrownDiamond2025Claims the asker's exact spec'd stone was available there for under this price
-No stone (plain band)–-local jeweler (replica)2025A jeweler-made replica of a Cartier wedding band cost about $500 CAD less than the authentic band; buyer regretted the visible quality difference
-Lab-grown diamond–---A buyer says lab-grown diamonds run about 85% cheaper than natural diamonds generally
$500Moissanite–---Estimate for getting a similar look to the pictured rings using moissanite set in 14k or 18k gold instead of a diamond.
-Natural diamond5.1 ctother-2025The person asking looked up what a natural version of her 5.1ct F VS1 stone would cost and found it near what she paid for her condo outside NYC a few years earlier.
$2,000Lab-grown diamond3 ctradiantRareCarat2025A cathedral setting plus matching diamond found for under $2,000 on RareCarat's site
$1,000Lab-grown diamond3 ctradiantLooseGrownDiamond2025Disputes the lower online estimate, saying no GIA-certified match for these specs could be found under $1,000 on that site
--–-Calaveras2025A stone another shopper was asking about was found roughly $1,500 cheaper on this online marketplace than at a brick-and-mortar store
-Lab-grown diamond–--2025Buyer's first 3 fancy-color antique-cut lab diamonds together cost about a fifth of what they'd earlier paid for one natural diamond
$2,000Lab-grown diamond3.5 ct---Estimate: stone under $1k plus an 18k or platinum hidden-halo setting around $1k, total should not exceed $2k
$600Lab-grown diamond–-Rare Carat2025Price-matching a Calavera stone on Rare Carat plus a 30%-off setting promo could total around $600
-Lab-grown diamond1 ctround-2022As of April 2022 a 1ct round lab diamond with matching specs was up to 73% cheaper than a comparable natural diamond, per CNN Business
-Natural diamond–other-2025The person asking guesses a genuine padparadscha sapphire version of his ring would cost roughly twenty times more than the lab-created one he bought.
$400Lab-grown diamond1.28 ctround-2025Buyer says an IGI-certified stone with the same specs could be found for well under $400, versus $800 for the GIA one
$12,000Natural diamond–---Buyer's ceiling for a fair price on this ring if the stone is natural
$7,000Lab-created coloured stone–---Same buyer's ceiling for this ring if the stone turns out to be lab-grown
--–---International vendors could supply setting plus side and center stones for roughly half the quoted price or less
$6,000Diamond, lab or natural not said–---Estimate for what a comparable complete ring should cost through another jeweler
$1,000-–---Opinion that the lab center stone alone should cost at most this much
-Lab-grown diamond2 ctemeraldCalavera vs Jewelry by Cleo2025Writer found Jewelry by Cleo priced this same 2ct D VVS1 IGI lab emerald stone about $1,000 less than Calavera
-Diamond, lab or natural not said–-RareCarat2025Saved about $600 on a diamond after RareCarat price-matched a competitor's listing
$2,000Natural diamond1 ct-Rare Carat2025Similar single 1-carat natural stones were seen listed for about $2,000 on Rare Carat
-Lab-grown diamond3.06 ctovalAurelinne2025The person asking found a near-identical listing on Aurelinne within about $100 of the quoted price
$2,000Natural diamond1 ct-India retailers2025Other retailers in India offered similar 1-carat diamonds for under $2,000
$1,500Lab-grown diamond–--2025Says a colorless, VS-or-better, excellent-cut lab diamond around the asker's carat size could be had for under $1,500
-Lab-grown diamond6 ct--2025Writer's own 6ct lab diamond ring in 18k gold, made by a small bespoke maker, cost slightly more than the asker's $3,600 quote
$1,000Sapphire1.88 ct--2025Anonymous buyer claims they could source a similarly sized stone for under $1,000
$1,735Lab-grown diamond2 ct--2025Buyer says a 2ct lab-grown diamond can be found for less than the asker's $1,735 quote
$19,000Natural diamond2 ct--2025Stones slightly better than this one reportedly sell for under $19k in the New York diamond district
300-–---Says a similar band costs under $300 in a different, unnamed country
-Lab-grown diamond–-Ivana Jewels2025IGI-certified lab studs from Ivana Jewels priced better than Brilliant Earth or Clean Origin, which hadn't dropped much recently
-Lab-grown diamond–--2025A smaller, roughly 1ct VVS2 hearts-and-arrows HPHT lab diamond from Whiteflash priced about $500 more than a larger, VVS1 stone with better cut proportions from Luvansh
-Lab-grown diamond–-Cullen vs GS Diamonds/Novita2025Found Cullen pricing a few thousand dollars more than GS Diamonds or Novita for the identical lab stone, same serial code
-Natural diamond1.5 ct--2025Buyer says a jeweler in Illinois price-matched Blue Nile on two 1.5ctw stones bought for earrings, saving over $700 versus Blue Nile's price
-Lab-grown diamond–--2025HPHT melee-size parcels run about 30% cheaper per carat than CVD; 1ct-plus stones price about the same between methods
$1,100Moissanite3 ctovalDoveggs-Seattle2025Buyer says a 3ct gray moissanite there would run well under $1,100, calling the jeweler's $1,800 quote too high
-Natural diamond1.02 ctround--A wholesale-facing seller says retail runs about 20-30% above wholesale asking price for a similar stone
$500Lab-grown diamond2 ct--2025Writer says they've personally seen multiple 2ct lab stones listed under $500
$2,000Lab-grown diamond–--2025Writer's high-end estimate for the asker's ring bought elsewhere, all-in
-Lab-grown diamond–--2025Buyers estimated a family jeweler's center-stone quote at about five times what the same lab stone would cost bought directly or through a broker
$400Lab-grown diamond1 ct--2025Buyer's benchmark for a normal price on a 1ct fancy color lab diamond
$3,500No stone (plain band)–--2025A small-business jeweler says settings they see rarely run above this unless handmade or die-struck
$3,000Lab-grown diamond–--2025A jeweler says they could make the same ring for under $3000
$2,000Lab-grown diamond–--2025Another buyer's ceiling price for a lab diamond ring like the asker's
-Moissanite2 ctovalAnujewel (AliExpress)2025Same design with a moissanite centre said to cost less than the $70 CZ version; exact price not given
$5,000Lab-grown diamond–--2025Estimated cost to remake the same ring style with a lab-grown center stone instead
$100-–--2025Another buyer said they had a similar stone for under $100
$1,000Lab-grown diamond0.75 ct--2025Buyer argued a 0.75ct lab diamond should cost at most about this much, used to call the asker's ring overpriced
-Lab-grown diamond–-Hyper Dallas Jewelers2025Buyer recommends this vendor as reliably beating Loose Grown Diamond listed prices by about this share
-Lab-grown diamond–emerald-2025After comparing five local stores and online listings for a 1.75-2 ct VVS2 D/E emerald lab stone, buyer judged a 30-50 percent local markup over online prices fair
-Lab-grown diamond–--2025VVS2 costs roughly half of VVS1 for a comparable lab diamond, while VS1 offers little discount versus VVS1
-Lab-grown diamond–-Luvansh-Claims a larger, better-spec stone available there for about $1000 less than what the person asking paid
-Lab-grown diamond–-Jewelry by Cleo-Runs at least $25 more per 1ct stone than Aurelinne, sometimes several hundred more for fancy cuts and 3+ct stones
-Diamond, lab or natural not said–-Jared-Buyer said a comparable but lower-rated diamond at this chain was priced about three times what they paid buying elsewhere
--–---A wholesale jeweler reportedly charges around 40% less than a retail store for the same diamond
-Natural diamond–cushionTiffany reseller-Tiffany True cushion diamond bought secondhand from a Tiffany reseller for about half of Tiffany's price, from a broken five-week engagement; Tiffany resized, restamped, and re-certified it.
-No stone (plain band)–--2026A buyer says platinum is currently priced about the same as 14k gold
$1,000Diamond, lab or natural not said–-eBay-Similar 1960s-style cocktail rings can reportedly be found there for well under this amount.
$30,000Natural diamond–---Claims a 2-3ct natural stone can run up to $30k
-Moissanite–-Etsy2026Custom moissanite ring from Etsy in a similar design cost about 1/20th of the Brilliant Earth ring's price
$50Lab-grown diamond5.5 ct---Calls the $1,200 offer a scam, says a lab-grown stone like this should max out around $50
$2,000Lab-grown diamond2.25 ctpear--Same buyer says an equivalent stone could be found under this amount through an overseas vendor
$3,000Lab-grown diamond–---Claims a similarly-sized lab diamond ring could be had for $3k or less
$900Lab-grown diamond3 ct--2026A buyer said a 3-carat lab diamond can be found for under $900 in some cases
$1,000Lab-grown diamond–--2026The same buyer said they'd seen many lab stones in the 2.5-3.5 carat, D-F color, VS1-or-better range for under $1,000
--–-TenTen Diamonds-A buyer found the featured diamond $400 cheaper on TenTen Diamonds, plus another $100 off for joining their email list
-Diamond, lab or natural not said–-Tiffany & Co2026Found a pawn-shop ring in the same style with bigger diamonds for $800 less than the Tiffany wedding band, so returned the Tiffany one
--–---General claim cited by writer: lab diamonds run about 70-80% cheaper than natural stones of similar size and grade
-Diamond, lab or natural not said–---A craft-fair jeweler sold pieces at roughly half of typical retail or wholesale pricing for the same items
$500Lab-grown diamond3.09 ct--2026Estimates the ring's roughly 3 grams of 14k gold is worth about $264 today, and wouldn't pay more than $500 for a pre-made ring like it
--–--2026Suggests pricing a resale listing at roughly 30% of the original purchase price
$100Lab-grown diamond3.09 ct--2026Says the resale value is literally less than $100
-Lab-grown diamond2 ct-Aukera-Buyer paid a premium at Aukera for reliable no-windowing quality; other sellers quoted around half that price for a 2ct stone
C$1,000-–---Opinion that the asker's lab diamond alone should cost well under $1,000 CAD
$5,000Lab-grown diamond–---A self-described independent diamond seller claims an ideal-cut lab stone plus setting easily under 5000, about half a traditional jeweler's price
$2,400Lab-grown diamond1.61 ctoval-2026Says the person asking should be able to find the same ring for at least $1,000 less than the $3,400 quote
$1,700Lab-grown diamond1.61 ct--2026Suggests the person asking could get a similar ring for about half the $3,400 quote, in 18k gold
-Natural diamond3 ctround--For comparable 3ct I IF excellent-cut natural rounds, GIA-certified listings reportedly run roughly double the price of equivalent IGI-certified ones
$1,000Lab-grown diamond3.61 ctcushion--Says stones like the asker's can be found at or below $1k
-Natural diamond1.7 ctoval-2026Multiple US online sellers were said to list the same or a comparable 1.70ct oval GIA stone in the low $10,000s, roughly matching a buyer's $10,800 quote.
$1,000Lab-grown diamond3.61 ct---Says under $1k USD is doable with the asker's specs minus the OMC cut, calling the OMC cut the biggest price driver
-Lab-grown diamond–-Tiffany2026Writer's lab diamond pieces cost roughly 20 to 40 times less than her husband's mined Tiffany diamonds
-Natural diamond–oval-2026Same GIA-certified oval (report 5232766840) a local jeweler quoted was found roughly $1,300 cheaper through a UK online seller.
-Natural diamond–--2026Buyer said buying a natural diamond from an auction house or auction site costs under a quarter of retail price
-Natural diamond–--2026Buyer said the same diamond costs about a fifth or less on the secondhand market compared with retail
-Diamond, lab or natural not said–--2026Online prices the writer had seen ran about 40% higher than what the local jeweler actually charged in person
-Diamond, lab or natural not said–-Altura Diamonds-Matching a diamond's IGI certificate number found on Brilliance or Ritani against Altura's own listing can unlock a discount, saving over $1,000.
$250-–---Opinion that the ring should not cost more than $250
£10-–---Claims similar-looking pieces can be found online for well under this price
$25-–---Opinion that the piece is worth no more than $25
$250-–---Found many 10k gold pink sapphire rings on eBay around this price, suggested as a better alternative to gold plating
$750-–---Suggests secondhand solid gold rings can be found on eBay for under this same asking price
$600-–---Estimates lab-created versions of the same stone sell for well under $600
$300-–---Estimates a lab-created stone in sterling silver would cost no more than $300, less than half the ring's asking price
--–--2026Buying the same stone in person at a big-box retail jeweler can run about 10x the online price
-Natural diamond2 ct--2026A comparable 2 ct natural would have cost about $48,000 more than the lab stone bought instead
$1,000-0.51 ct---Same buyer would pay no more than about $1,000 for stones this small (under a carat)
₹45,000Lab-grown diamond–--2026Advised not to pay more than about this much for the loose lab stone alone
$3,000Natural diamond–-Tiffany & Co2026Buyer says a smaller natural-diamond ring in platinum from this vendor would cost under half of the $6,000 spent here
-Natural diamond–roundCostco2017Buyer compared in-store Costco round solitaire prices to Blue Nile Ideal-cut stones of matching carat/colour/clarity; Costco priced about the same as BN's top ~30% Ideal stones
-Diamond, lab or natural not said2.31 ct-CBI2018A 2.31ct Q-VVS2 stone from the same source cost only about 20% of the price of a similarly sized 2.79ct F-VS1 stone
-Lab-grown diamond–--2021The dealer's own faint-blue HPHT lab stone was priced about 25% below similar colorless lab-grown stones from the same grower
-Lab-grown diamond4 ctradiant-2021A distinctly blue just-over-4ct radiant was listed about $4,000 below a comparable white stone of similar size
-Lab-grown diamond–-D.NEA2014A cited 2014 industry report said this grower's near-colorless lab stones sold 15 to 40 percent below comparable natural diamonds
-Lab-grown diamond–---Estimates lab diamonds run roughly 80-90% cheaper than comparable mined stones
-Natural diamond1.5 ct--2023An already ideal-cut 1.5ct J VS2 retails around the same as, or a little less than, this stone's ~$10k appraisal plus its $1,000 recut cost
-Diamond, lab or natural not said–-Sholdt2023The asker's Sholdt bezel-reset quote ran about 50% more than David Klass's base non-Uber bench price for a similar style
$3,500Lab-grown diamond–-another seller2023A comparable diamond found under $3,500 at a different seller, suggested as a better deal
-Natural diamond2.02 ctroundlocal jeweler2023A local jeweler's larger 2.02ct E VS2 stone with medium blue fluorescence was priced only $1,000-$2,000 less than her 1.9ct E VS2 stone with no fluorescence
-Lab-grown diamond–--2023The person asking says lab diamonds run about 90% cheaper than a mined diamond of the same quality and size.
-Lab-grown diamond–---The asker's jeweler's quotes for the same three stones were similar to, but a bit lower than, these online listing prices
-Natural diamond–--2023Buyer says a brand-new equivalent Tiffany ring costs roughly three times the preowned asking price in her country
-Lab-grown diamond3.07 ctovalAdiamor2023Says a newly found alternative oval is a bit less expensive than what she originally paid for her 3.07ct D VS1 oval at Adiamor
-Lab-grown diamond–--2023Claims choosing lab over mined can save about 70% for the same ring specs
-Lab-grown diamond0.52 ctotherJannpaul20230.52ct CVD blue decagon priced roughly the same as the vendor's standard colorless decagon, just slightly above it
-Lab-grown diamond3.57 ctroundDistinctive Gem20243.57ct F VS1 GIA/AGS ideal-cut lab diamond marketed as a rare 'steal of the day' priced notably below comparable stones
-Lab-grown diamond–-Loosegrown/Adiamor/Brilliance.com2024A shopper found one lab diamond listed about $3,000 cheaper than competing sites, though stock status varied between retailers over about two weeks.
-Lab-grown diamond–-diamondsfactory.co.uk2024UK retailer prices ran about 30% over equivalent US wholesale stones (VAT plus a fee); a few specific stones ran 80% or more higher
-Natural diamond0.74 ctroundJames Allen2024Priced a couple hundred dollars less than an earlier ~$2,000+ 0.81ct G/VS2 round pick
-Lab-grown diamond–--2024Two similar-looking GIA-certified lab diamonds for stud earrings were $450 apart in price with no visible quality difference to the buyer
-Lab-grown diamond4.5 ctasscherBlue Nile2024A GIA-graded 4.5ct asscher fancy intense blue HPHT lab diamond was priced comparably to colorless lab diamonds of similar size, unlike most fancy blues that cost far more
-Lab-grown diamond2.24 ctroundRitani-A second, similarly specced round lab diamond the person asking compared against before buying the other one
-Lab-grown diamond2.54 ctroundLoupe360-An alternative 2.54 ct D VS1 diamond suggested at about the same price point for comparison
-Natural diamond4.02 ctroundJames Allen2024A 4.02ct I VS2 James Allen stone said to be about $27,000 cheaper than a similarly sized but three-grades-whiter Blue Nile stone
--–---A stone was priced the same at LooseGrownDiamond and Ritani during a Ritani sale, but Ritani ships free overnight while LG charges $120 for express shipping
$60,000Natural diamond9.98 ct-dealer2024Forum estimate of no more than $60,000 from a dealer for a 9.98ct Y-Z natural diamond, based on a smaller HRD N/O comparable auction lot
-Lab-grown diamond–-Adiamor2024Two lab-grown diamond listings for a necklace center stone priced about $1,450 apart, one with noticeably better cut
$1,000Lab-grown diamond1.57 ct---Says unbranded HPHT hearts-and-arrows lab diamonds around that size are available for under $1,000
-Natural diamond–roundNivoda-Says a natural GIA F VS1 round costs about 165 times more than an IGI lab diamond of the same specs
$10,000Lab-grown diamond–--2024Suggested a large lab-grown stone with the same designer setting could total under this, versus the natural antique's price
-Lab-grown diamond–other-2024The same size-to-price disparity shows up even on newly cut, antique-style lab diamonds, not just genuine antiques
-Lab-grown diamond–---The person asking estimated roughly a 4-6x price gap between lab and natural melee at melee sizes from the same cutter
$10,000Natural diamond1.03 ctroundWhiteflash2024A buyer said a comparable top-cut 1.03ct H SI1 AGS-certified diamond plus an 18k gold mounting from a US online vendor would total under $10,000
-Diamond, lab or natural not said–--2025Advice for a private diamond sale that isn't moving: price it roughly 30-40% below retail to attract a buyer.
-Diamond, lab or natural not said–--2025Selling a diamond back to the original vendor typically recoups only about half its current market value, if that.
-Natural diamond10.5 ctcushion-2025A large uncertified antique cushion (old mine cut) diamond, bought privately as a family gift, came in at least 20% below Instagram-vendor retail pricing.
-Diamond, lab or natural not said–--2025A seller prices her diamonds about 25% below retail for private sale, since consignment would otherwise cost around 30% commission.
-Natural diamond4.07 ct-James Allen-Closest comparable listing found, a smaller 4.07 ct brown diamond, cited to argue the asker's price was unusually low
-Natural diamond3.6 ctcushion--Buyer's own similar old mine stone, with fewer plotted inclusions, cost almost half the asker's $25k asking price a few years earlier
$4,000Lab-grown diamond–pear-2025Several 10ct+ lab pear diamonds were available under this price at the time, though most had quality issues
-Lab-grown diamond–---Same buyer's rule of thumb: an LGD twice the carat weight costs only about 10% more per carat
-Natural diamond–---Trade buyer's rule of thumb: a natural diamond twice the carat weight costs roughly four times as much
-Lab-grown diamond1 ctroundLooseGrownDiamond2025Stones from this India-based site ran a fraction of the roughly $1k-1.5k the buyer was seeing at Whiteflash/Brian Gavin, partly attributed to US tariffs on stones sourced there
-Lab-grown diamond2 ctround-2025On a B2B trade site, HPHT 2ct F VS1 IGI round diamonds run about 15% more than the cheapest CVD equivalents
-Lab-grown diamond1.18 ct-Ritani2025Buyer found comparably specced roughly-1ct lab stones at Ritani but said they ran noticeably more expensive than her sale purchase elsewhere.
--–-Cartier2025Writer's own ~150g Cartier Trinity choker, bought a couple years earlier, cost about 30% less than a similarly weighted 5-row Panthere choker
$4,500Natural diamond1 ctasscherJames Allen-Comparison stone with more rolling fire, quoted as less than half the $9,000 price of the asker's D/IF asscher, due to VVS clarity instead of IF
-Lab-grown diamond–roundDistinctive Gem2025A buyer said a custom transitional-cut lab diamond from this cutter runs noticeably pricier than hunting down an actual vintage-cut natural stone of similar size.
-Natural diamond–---Buyer noted this vendor's price was at least $1,000 more than other similar French-cut band sellers
-Lab-grown diamond–roundLoupe3602026Priced about $300 less than the 3.44 ct shortlisted stone
-Natural diamond–--2026A relative bought a stone from Surat, India for about 40% less than an equivalent Melbourne quote
-Other gemstone–-Etsy2026A matching loose aquamarine plus an identical semi-mount setting on Etsy would come to about half the store's asking price, with a much better stone
-Diamond, lab or natural not said–marquiseFrank Darling2026A custom-made dupe of a Frank Darling half-bezel design cost about $2,500 less than the branded original would have
-Lab-grown diamond–--2021A dealer's faint blue-tinted lab rounds priced about 30% below the same grower's colorless rounds
-Lab-grown diamond2.51 ctroundWhiteflash2024The person asking compares two near-identical 2.51-2.52ct E VVS2 ideal round lab diamonds at Whiteflash priced differently; blamed on report date and cut proportions

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Sources and method

Price reports on this page come from 306 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)