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Carat · buyer-reported prices · updated September 2026

How Much Is a 5 Carat Engagement Ring? 98 Real Prices

A lab-grown diamond ring of about 5 carat cost a median $2,532 across 68 purchases. Weight alone does not set the price: the stone does, and so do its cut, colour and clarity.

98rings with a 4.8 to 5.59 ct center stone
$2,532median lab-grown diamond ring (68)
$296median moissanite ring (14)

A 5 carat ring by center stone

Each row takes the rings whose center stone weighed 4.8 to 5.59 ct, the weights sold as "about 5 carat".

Center stoneRingsMedian ringMiddle half
Natural diamond2––
Lab-grown diamond68$2,532$1,800 to $3,800
Moissanite14$296$65 to $500

Shapes at 5 carat

Emerald26%
Pear23%
Oval17%
Radiant15%
Cushion11%
Round8%

5 carat ring questions

How much is a 5 carat lab-grown diamond engagement ring?

A median $2,532 across 68 buyer-reported rings with a 4.8 to 5.59 ct center stone, and half cost between $1,800 and $3,800.

How much is a 5 carat moissanite engagement ring?

A median $296 across 14 buyer-reported rings with a 4.8 to 5.59 ct center stone, and half cost between $65 and $500. Moissanite is sold by diamond-equivalent weight, the size of diamond it looks like.

How much does a 5 carat lab-grown diamond cost?

Buyers cited a wide range: about $2,700-$3,500 USD for a 5ct G/VS2 lab stone, roughly $3,000 CAD for a comparable stone bought loose plus about $1,100 CAD to have it set locally, and specific 5ct radiant lab diamonds listed online for under $3,900 to $5,500 Canadian. Buyers reported paying roughly $800 to $1,600 for 5-carat lab diamonds depending on color and clarity, with vendors like B2C Jewels, GemsNY and Calavera mentioned as affordable options.

How much does a 2.5 carat lab grown diamond cost

One buyer says a roughly 2.5 carat lab-grown diamond runs about $800, far below what a mined stone of that size would cost. The buyer's budget was around $2,000 for a roughly 2.4-2.6ct G VS1 round stone, and a comparable HPHT stone quoted to them came in around $1,350.

How much does a 2.5 carat lab diamond engagement ring cost?

The buyer didn't disclose a price, but a buyer estimated a 2.5ct lab diamond ring like this would run about $5,000 to $10,000 depending on where it's bought. Community estimates for a 2.5ct+ lab-grown round with a gold band and platinum prongs clustered from about $3,000 up to $9,000-10,000 depending on color, clarity and vendor, with the asker's own $8-9k budget considered comfortably within range.

How much does a 4-5 carat lab-grown radiant diamond ring cost?

The buyer says his 4.61ct D-color VVS1 lab radiant cost about $10,500 total, which he and buyers called far cheaper than a natural equivalent. Quotes here ranged widely: one buyer was quoted about 3,300 dollars for a 4.51ct E VS1 ideal lab diamond from an independent Instagram jeweler, while Whiteflash's top-tier lab diamonds of similar size ran roughly 18,000 to 20,000, with buyers noting comparable stones can often be found for a quarter to a third of that through other channels.

How much does a 3.5 carat lab diamond ring cost?

A 2024 buyer paid $1450 for a 3.51 ct F VVS2 super ideal lab stone set in 14k white gold from Brilliance.com, and said the two pieces in his photo came to just under $3000. One buyer estimated a well-cut 3.5 carat lab stone can be found for around $750 or less with price matching, with a local jeweler charging roughly $2,700 to $3,000 more for the setting, though an online-made setting would cost less.

How much does a 5 carat pear lab diamond engagement ring cost?

The buyer reported a running total of about $1,900 with a custom jeweler while the ring was still being made, noting the final cost depends on the diamond size chosen. One buyer said her 5-carat radiant lab diamond, F color and VS1 clarity, set as a solitaire with a hidden halo, came to a little under $5,000 total.

How much should a 1.5 carat lab-grown diamond cost?

Buyers estimated a stone like the asker's 1.55 carat VS1 F lab diamond should cost roughly $500-800 on its own, well under the $1,950 the person asking was quoted, citing sites like StoneAlgo, Loose Grown Diamonds and Light Box. Buyers cite loose 1 to 1.5 carat lab-grown stones selling for roughly $250 to $500 apiece, with a complete solitaire setting reachable for around $740.

How much would a 3.5 carat natural diamond cost compared to a lab one?

One buyer guessed that the asker's 3.5 carat lab cushion would have cost around $90,000 if it were a natural stone instead. Buyers said 3ct lab diamonds can run as low as $800 and 5ct lab diamonds around $1,800, versus roughly $300,000 for a comparable 5ct natural diamond.

Is a 5 carat diamond too big for an engagement ring?

Opinions were split: many said there's no such thing as too big and to wear what makes you happy, while some felt that size looked oversized or the wrong shape for a smaller hand. Several buyers felt the large stones overwhelmed the asker's hands and that a smaller stone around 2.5-3 carats looked more flattering; more than one said bigger isn't always better.

Is a 5 carat diamond too big for an everyday engagement ring?

Many buyers said yes, even self-described fans of large diamonds felt 5 carats was too flashy and impractical for daily wear, though opinions varied with ring size, job, and diamond shape. Multiple buyers said a stone this size reads more like a cocktail or right-hand ring than a subtle daily ring, and that a halo makes an already large center stone look even bigger, with several suggesting a reset to a smaller 3.5 to 4 carat stone or dropping the halo entirely.

1.25ct vs 1.5ct round solitaire, which is better for a low-set platinum band?

The buyer leaned toward 1.25 carat because she found a 1 carat stone too small for a low-set mounting, while feeling 1.5 carat might be too flashy for her social circle in Europe.

4 carat or 5 carat marquise, which is the better choice?

Other readers here said they were still torn between a 4 and 5 carat marquise themselves and did not settle on which size was better.

Every 5 carat ring in the data

Each row is one buyer's ring, cheapest first, with what they said about it.

RingStoneCaratShapeMetalYearWhat the buyer reported
$35Moissanite––other2025Bought a 5 ct moissanite sterling silver ring from Temu for about $30-40; passed a diamond tester
$56Moissanite–––20225 ct moissanite ring from an AliExpress seller, priced about the same as the $56 listing the person asking found, writer very happy
$56Moissanite–––2022Ordered the same 5 ct moissanite AliExpress listing the person asking asked about; called it beautiful, seller was helpful
$65Moissanite–––2022Same 5-carat moissanite style as the asker's ring, bought from the AliExpress storefront of the same seller; state tax added on top
$117Moissanite––other20225-carat moissanite solitaire, Tiffany-style setting, rhodium-plated sterling silver flash-plated in platinum; price included tax
$200Moissanite–emeraldother–5 ct emerald-cut moissanite ring custom made in silver; says similar 5 ct custom moissanites usually run under $300
$291Moissanite–emeraldyellow gold20249x11mm 5 ct emerald-cut moissanite in 10k yellow gold, cathedral setting with 2mm band, called an impulse-buy steal
$300Moissanite–oval–20265.5ct oval moissanite ring on a size 9 band, about $300 all in
$400Moissanite––other–Custom silver ring with yellow gold plating and a deep blue 5ct-equivalent stone (smaller than the 10.5ct inspiration), about $400 total
$450Moissanite––gold–5ct stone in a 10k gold setting from Starsgem on Alibaba; group context implies moissanite
$500Moissanite–––2023Custom-made ring with a 5.5 ct moissanite center and blue-green moissanite accent stones
$800Moissanite–cushion––5-carat cushion-cut moissanite ring
$900Lab-grown diamond5 ctemeraldgold–Own 5-carat emerald-cut ring in 10k gold, cited as a much cheaper comparison to the asker's $3,200 lab diamond ring
$904Other gemstone5 ctpearwhite gold–Heavy white gold wedding ring with a 5ct pear-cut rubellite tourmaline center and about half a carat of accent diamonds, bought from an estate jewelry seller
$930Lab-grown diamond5.5 ctemeraldplatinum2025Total carat weight only; won at online estate auction, winning bid $930 plus tax brought it to just over $1000, polish and symmetry excellent, no fluorescence
$999Lab-grown diamond5 ct––20255ct ring bought on Luvansh
$1,100Lab-grown diamond5 ctpearplatinum2025Writer said the stone was nearly 5 carats; called it the most beautiful ring they'd gotten anywhere
$1,100Lab-grown diamond5 ctemerald–20265ct emerald-cut lab diamond from Luvansh for under $600, custom mount from Fay Jewelry for around $500
$1,250Lab-grown diamond5.5 ctemeraldgold–10k gold full halo bezel setting with 3mm band, ordered from Provence.
$1,390Lab-grown diamond5.54 ctovaltwo tone2024Set in a mixed 10k gold and platinum setting
$1,400–5.5 ctoval––A crushed-ice style oval stone, custom made in England; she nicknames this ring The Egg; her third ring overall.
$1,440Lab-grown diamond5.11 ctovalyellow gold2024Stone $1,100 with a 15% Labor Day sale + $340 custom 14k gold setting; separate $150 paid to a local jeweler to set the stone.
$1,500Lab-grown diamond5.25 ctheartwhite gold20245.25 total carat weight (cttw) Fire Light lab diamond heart ring, 14K white gold, described as near-colorless VS-range clarity; bought secondhand at an estate sale
$1,500Lab-grown diamond5.02 ctroundgold202518k (Au750) gold setting, about 4.61g total weight; haggled down from quotes as high as $2,500; verified afterward at a third-party testing center
$1,500Lab-grown diamond5 ct––2025Price-matched a ~5ct VS1 lab stone found elsewhere for $1,060; total ring with a setting on sale came to about $1,500; paid far more for their previous largest stone, a 4.12ct H VS2
$1,539Lab-grown diamond4.93 ctradiantwhite gold2026$687.20 for a 4.93ct F VS1 lab radiant diamond bought in March, plus $851.93 for a custom white gold euro shank cathedral setting combining two of the vendor's stock designs
$1,580Lab-grown diamond5.08 ctradiant–2025Stone found on Calavera, price-matched through Rare Carat and set in their Vivian setting; total includes tax
$1,700Lab-grown diamond5 ct––2025Paid a further $550 to a local jeweler to mount the stone, on top of the stone and setting costs
$1,700Lab-grown diamond5 ct––2026Wrote a photo of a 5ct ring bought for this price as proof lab diamonds are this cheap now, not a scam
$1,800Lab-grown diamond5 ctpearplatinum20245ct G VS2 pear diamond set in platinum, all-in price for a deal found via StoneAlgo; writer calls it their dream ring
$1,800Lab-grown diamond5.46 ctcushion––Price-matched a Calavera stone; the store also handled the setting
$1,800Lab-grown diamond5 ctpearplatinum2026Paid $1800 for a 5ct pear-cut diamond set in platinum, cited to argue the asker's $10k quote was overpriced
$1,866Lab-grown diamond5.46 ctcushion–2025Ring with setting; price matched a stone listed on Calavera
$1,866Diamond, lab or natural not said5.46 ctcushion–2025Elongated cushion in a cathedral setting; cut graded ideal by a diamond marketplace though bought elsewhere
$1,890Lab-grown diamond5 ct–gold–Toi et moi style ring; 5ctw is total stone weight, not a single stone
$1,900Lab-grown diamond5 ctpear–2025Custom pear-shape setting with gallery rail and extra prongs, no halo; price given as 'so far' while ring still being made
$2,000Lab-grown diamond5.08 ctpear–2025Setting and all, through an NYC diamond district jeweler
$2,000Lab-grown diamond5.08 ctpear–2025Bought sight-unseen online with a 14-day return period; all-in price including the setting
$2,000Lab-grown diamond5.08 ctpearwhite gold–5.08ct pear diamond in a 14k white gold setting from a NYC Diamond District jeweler, amazing pricing
$2,000Lab-grown diamond5.08 ctpearwhite gold20245.08ct lab pear set in 14k white gold, purchased the December before the post, total around $2,000
$2,000Lab-grown diamond5 ctpear–20255ct pear solitaire, all-in price with a stateside custom jeweler, cited as evidence the asker's $8k quote is too high
$2,000Lab-grown diamond5 ctpearwhite gold20255ct pear lab diamond, F VS1, 14k white gold setting, all-in through a NYC jeweler; cited as a much better deal than the $7k-10k set
$2,070Lab-grown diamond5.5 ct–white gold20255.5ct lab diamond ring in white gold from danielwilliamsdiamonds.com for exactly $2070
$2,200Lab-grown diamond5.28 ctradiantplatinum–Price matched to Calavera through Rare Carat; Rare Carat had originally listed the same stone for close to $9k
$2,200–5.52 ctemeraldgold20255.52ct F VVS2 emerald cut in 14k gold, bought about a year before the comment; never worn, open to selling
$2,398Lab-grown diamond5.02 ctmarquisetwo tone20255.02ct marquise, 1.95 length ratio, ring size 6.75; custom platinum tulip head on an 18k yellow gold band
$2,400Lab-grown diamond5.19 ctovalgold2025Uncertified 5.19ct OMC oval lab diamond custom-set by Fiorese in a 14K gold twig setting; about $2400 total with shipping, setting almost half the cost due to the gold used.
$2,465Lab-grown diamond5.09 ctemeraldyellow gold20245.09ct emerald cut I/VS1 IGI lab diamond in 14k yellow gold, bought on a 10% off sale with a custom setting fee for the larger stone; about 4 weeks to arrive
$2,600Lab-grown diamond5 ctother––15-year-anniversary upgrade, a rose-cut stone just over 5 carats, cost mostly labor; writer avoids mined diamonds after working in the jewelry industry
$2,750Lab-grown diamond5 ct–gold–Sourced the loose diamond (a little over 5ct) separately, had the setting made overseas, and had a local jeweler set the stone; total for all steps was $2,750
$2,800Lab-grown diamond5 ct–––5ct ring with specs similar to the asker's stone, total 2.8k
$2,800Lab-grown diamond5 ctovalgold20265ct oval lab diamond ring with better specs than the Zales piece, all-in cost from a local jeweler
$3,000Lab-grown diamond5.01 ct––20245.01ct center stone ring, total price approximate
$3,000Lab-grown diamond5 ct–––5 total carat weight lab-grown diamond ring with higher clarity and color than the Costco ring in question
$3,000Lab-grown diamond5 ct–––Years later, a much bigger lab stone at a lower price than the original
$3,000Lab-grown diamond5 ct–gold–18kt setting; writer's fiance recommends the same maker (also known via an online group) for old mine cut lab diamonds
$3,000Lab-grown diamond5 ct–––Approximate price for a 5 carat lab diamond ring, shown as a comparison photo
$3,000–5 ct–––No other specs given
$3,000Moissanite––––Custom ring with a 5ct moissanite center stone and 1ct baguette accents cost about $3k after 6 years together
$3,000Moissanite––––Originally listed at $4,000 but bought on sale for $3,000; 5-carat moissanite center stone
$3,200Lab-grown diamond5 ctemerald––Fiance designed the ring from scratch
$3,200Lab-grown diamond5 ct–––5ct lab diamond ring
$3,250Diamond, lab or natural not said5 ct–platinum–Earlier ring: same size 5 ct G VS1 old European stone cost 1300, hinged setting added for 1950
$3,500–5.01 ct–––Custom Cliq shank design, all-in price
$3,700Lab-grown diamond4.82 ctroundyellow gold20264.82ct round VS1 F, ideal cut/polish/symmetry, bought out the door; thin yellow-gold band, weighing a sturdier cathedral reset
$3,700Lab-grown diamond4.82 ctroundyellow gold20264.82ct round lab diamond, VS1/F, ideal cut, thin yellow gold band, bought out the door; band measured about 1.7-1.9mm wide
$3,700Lab-grown diamond4.82 ctroundyellow gold2026~$1,000 for the 4.82ct F/VS1 ideal round lab stone (price-matched), ~$2,300 for a yellow gold pave setting from the same vendor since matching the stone price voided setting discounts; $3,700 out the door; buyer debating
$3,740Lab-grown diamond5 ctmarquisegold–18k setting; paid about $300 less than the asker's roughly $4040 total, per the comment's own wording
$3,800Lab-grown diamond5.1 ctemerald––Same stone spec as another buyer's loose $2800 stone, but set in a custom setting, ready in 3 weeks with returns offered
$4,000Lab-grown diamond5 ct–––Approximate price; writer contrasts it with an equivalent natural stone they estimate would cost $300k+
$4,200Lab-grown diamond5.05 ctcushionyellow gold2025Found a highly recommended jeweler in Vegas; side baguettes 0.6ct each
$4,200Diamond, lab or natural not said5.13 ctemeraldgold–Diamond and setting priced separately at a local jeweler; ring still being made
$4,240Diamond, lab or natural not said5 ct–platinum20256.9 total carat weight: old European cut center plus two 0.97-0.98 ct side stones, hinged platinum setting; still being made
$4,500Lab-grown diamond5 ctradiantwhite gold2025Negotiated down from a $13,200 sticker price at an unnamed upscale local jeweler; bought to mark a 25th wedding anniversary
$4,500Lab-grown diamond5 ctovalwhite gold20255ct oval center $2,400 IGI-certified on Luvansh; two 1.5ct-total side stones about $250 each; 18k white gold setting about $1,500; bought last month, total about $4,500
$4,500Lab-grown diamond5.1 ctradiant––Stone currently being set, not yet finished
$4,699Natural diamond5 ct––20225 ctw natural-diamond eternity band, $4,999 less $300 promo, bought online at Costco; VS2 clarity, I color, ordered size 7.
$4,750–5.05 ctradiant––Not fully certain of the exact price; now feels that was steep given current lab prices
$5,000Lab-grown diamond5 ctoval–2026Bought online; a 4-carat version of the same order would have been only about $200 cheaper
$5,000–5 ctoval––Felt like a great deal
$5,000Lab-grown diamond5 ctemerald–2024Ten-year upgrade; jeweler first quoted $10k for the 5ct emerald HPHT stone, buyer negotiated down to $5k by citing a friend's lower price for a similar stone
$5,400Lab-grown diamond5 ct–yellow gold202614k yellow gold, 5ct elongated stone about 16.75x8.2mm; paid the day before posting, weighing whether to return it and pick together instead
$5,400Lab-grown diamond5 ctmarquiseyellow gold20265ct Dutch marquise cut in 14k yellow gold, bought quickly on Etsy ahead of a planned anniversary proposal
$5,530Lab-grown diamond5.58 ctcushion–2023Stone was just shy of $4,000, setting $1,530; cushion sits about 5mm above the band, higher than she wanted; vendor's video looked more tinted than the stone in person
$5,800Lab-grown diamond5.2 ctemeraldwhite gold–Stone bought online, set locally in a three-stone setting with about half a carat of tapered baguette side stones
$7,000Lab-grown diamond5 ct–––Described by writer as nearly perfect specs
$9,350Lab-grown diamond4.95 ctpearwhite gold2025Spent about a year designing a bespoke setting together with her fiance
$15,000Lab-grown diamond5 ct–platinum2024Platinum setting
$16,000Sapphire5.3 ct–white gold202418k white gold ring with natural diamonds and a 5.3ct natural heated royal-blue sapphire, made by a jeweler friend for the writer's mother
$20,000Lab-grown diamond5.31 ctemeraldplatinum2023Center stone plus 1ct emerald-cut side stones, platinum setting, bought about a year before this comment
$25,000Sapphire5.3 ct–gold20265.3ct natural Ceylon sapphire with natural trillion diamond accents, custom 18kt gold ring; stone sourced from Finewatergems; inspired by a $95k designer piece
$32,000Sapphire5.5 ct–two tone20191920s untreated sapphire in a gold/white-gold crown setting, bought late 2019; later appraised higher than paid; carat given as 5.5 c/e (basis unclear)
$98,000Natural diamond5 ct––20045ct natural diamond engagement ring, proposed with; later sold at a large loss

Sources and method

Price reports on this page come from 80 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)

A ring counts here when the buyer gave the center stone's weight and it fell between 4.8 and 5.59 ct. Moissanite weights are diamond-equivalent, as moissanite is sold. Quotes not taken, price bounds and rings reported second-hand are left out.