For Sale USA

3 carat diamond engagement ring

4

3 carat diamond engagement ring for sale on largest auction and classifieds sites

Home / Rings / 3 carat diamond engagement ring refurbished & used for sale | For Sale USA
Premium cushion cut - ct,

Premium cushion cut - ct,

$319.12
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Elegant radiant lab - elegant,

Elegant radiant lab - elegant,

$324.93
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Elegant radiant cut - elegant,

Elegant radiant cut - elegant,

$317.72
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Round cut natural diamond - 1,

Round cut natural diamond - 1,

$220.00
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Vvs2 oval lab grown - oval,

Vvs2 oval lab grown - oval,

$1274.99
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Carat round cut lab - lab, grown

Carat round cut lab - lab, grown

$313.85
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10ct round cut lab grown - 8.10ct,

10ct round cut lab grown - 8.10ct,

$318.43
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Elegant carat radiant cut - elegant,

Elegant carat radiant cut - elegant,

$312.59
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3ct cushion cut - 3ct, igi&i

3ct cushion cut - 3ct, igi&i

$320.42
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Carat vvs real lab grown - carat,

Carat vvs real lab grown - carat,

$59.90
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Lab grown cushion engagement - lab,

Lab grown cushion engagement - lab,

$1373.27
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50ct oval cut - oval,

50ct oval cut - oval,

$322.34
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Marquise lab grown - marquise,

Marquise lab grown - marquise,

$1425.00
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Luxury oval cut lab - ct,

Luxury oval cut lab - ct,

$312.52
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00ct cushion cut lab - 3.00ct,

00ct cushion cut lab - 3.00ct,

$313.89
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Rare certified treated - 35, ct

Rare certified treated - 35, ct

$339.00
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Luxury engagement ct - luxury,

Luxury engagement ct - luxury,

$314.68
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Cvd radiant cut diamond womens - cvd,

Cvd radiant cut diamond womens - cvd,

$1002.78
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Lab grown radiant e - 5.20, ct

Lab grown radiant e - 5.20, ct

$2475.00
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Carat marquise cut - carat,

Carat marquise cut - carat,

$313.82
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Handcrafted 99ct oval lab - 8.99ct,

Handcrafted 99ct oval lab - 8.99ct,

$324.28
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Certified 00ct radiant - 10.00ct, lab

Certified 00ct radiant - 10.00ct, lab

$324.22
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Carat oval cut diamond lab - oval,

Carat oval cut diamond lab - oval,

$2268.33
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Solitaire engagement ring 3ct - solitaire,

Solitaire engagement ring 3ct - solitaire,

$68.99
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Emerald pear cut lab - ct, &

Emerald pear cut lab - ct, &

$317.72
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Carat round cut - 2.50,

Carat round cut - 2.50,

$232.05
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Oval cut lab grown - cut,

Oval cut lab grown - cut,

$269.50
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Vvs2 round diamond - ct, d

Vvs2 round diamond - ct, d

$1995.00
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Women 3ct princess cut - women's,

Women 3ct princess cut - women's,

$332.50
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Luxury round lab grown - luxury, 5.50

Luxury round lab grown - luxury, 5.50

$319.67
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Round cut 3ct - round, created

Round cut 3ct - round, created

$80.50
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Moissanite bridal set - moissanite,

Moissanite bridal set - moissanite,

$225.25
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3ct oval cut - 3ct, lab

3ct oval cut - 3ct, lab

$43.10
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Moissanite bridal set - moissanite,

Moissanite bridal set - moissanite,

$234.60
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Oval cut lab grown - cut,

Oval cut lab grown - cut,

$321.68
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3ct round cut lab created - round,

3ct round cut lab created - round,

$75.78
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3ct round cut solitaire lab - cut,

3ct round cut solitaire lab - cut,

$69.30
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3ct lab created round diamond - lab,

3ct lab created round diamond - lab,

$43.75
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Carat cushion cut vvs1 d - 3,

Carat cushion cut vvs1 d - 3,

$136.00
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3ct round cut natural - round, diamond

3ct round cut natural - round, diamond

$480.00
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Emerald vvs2 lab - vvs2, grown

Emerald vvs2 lab - vvs2, grown

$9000.00
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Carat radiant cut - carat,

Carat radiant cut - carat,

$328.14
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Luxury cushion cut - cushion, lab

Luxury cushion cut - cushion, lab

$315.33
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14k white gold carat tw - carat,

14k white gold carat tw - carat,

$499.00
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Diamond engagement ring - ring, e

Diamond engagement ring - ring, e

$1590.00
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Luxury 10ct cushion cut lab - 4.10ct,

Luxury 10ct cushion cut lab - 4.10ct,

$313.89
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Halo black diamond - 1.25,

Halo black diamond - 1.25,

$679.00
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Diamond round - 1.00,

Diamond round - 1.00,

$129.99
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1ct cushion cut lab - 1ct, created

1ct cushion cut lab - 1ct, created

$45.49
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Ring set yellow gold solid - set,

Ring set yellow gold solid - set,

$1527.48
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4ct oval cut lab - 4ct,

4ct oval cut lab - 4ct,

$72.00
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Vs1 oval lab - vs1,

Vs1 oval lab - vs1,

$1395.00
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4ct cushion cut - 4ct,

4ct cushion cut - 4ct,

$89.67
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00ct cushion cut - cushion, lab-created

00ct cushion cut - cushion, lab-created

$68.87
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2ct round vvs1 diamond - vvs1/d, women

2ct round vvs1 diamond - vvs1/d, women

$107.89
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3carat cushion cut cvd - 3carat,

3carat cushion cut cvd - 3carat,

$1443.75
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3ct lab created diamond - 3ct,

3ct lab created diamond - 3ct,

$52.50
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Luxury round cut lab - round,

Luxury round cut lab - round,

$317.82
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Carat diamond engagement - carat,

Carat diamond engagement - carat,

$2266.78
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Vs1 lab grown - e,

Vs1 lab grown - e,

$1595.00
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Beautiful 00ct round cut lab - beautiful,

Beautiful 00ct round cut lab - beautiful,

$312.36
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Women huge engagement - women's, ring

Women huge engagement - women's, ring

$320.37
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3ct princess cut lab - 3ct,

3ct princess cut lab - 3ct,

$87.50
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Diamond marquise ring igi - ring,

Diamond marquise ring igi - ring,

$2659.99
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3ct asscher cut - 3ct, lab-created

3ct asscher cut - 3ct, lab-created

$95.40
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3ct princess cut lab - princess,

3ct princess cut lab - princess,

$90.26
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3ct round cut diamond lab - round-cut,

3ct round cut diamond lab - round-cut,

$38.94
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Certified 2ct jessica - certified, 1/2ct

Certified 2ct jessica - certified, 1/2ct

$1607.94
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5ct halo round cut diamond - halo,

5ct halo round cut diamond - halo,

$2104.03
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Carat oval cut bridal - carat,

Carat oval cut bridal - carat,

$80.81
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Brilliant 10ct round cut lab - 8.10ct,

Brilliant 10ct round cut lab - 8.10ct,

$318.43
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Diamond ring gold lab grown - gold,

Diamond ring gold lab grown - gold,

$1923.30
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Round cut carat lab grown - carat,

Round cut carat lab grown - carat,

$338.19
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Carat si1 real diamond - carat,

Carat si1 real diamond - carat,

$7903.00
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Elegant 25ct ovalcut lab - elegant,

Elegant 25ct ovalcut lab - elegant,

$315.96
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Si1 2ct 3 stone lab - , 3-stone

Si1 2ct 3 stone lab - , 3-stone

$1149.99
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Stunning cushion lab - stunning,

Stunning cushion lab - stunning,

$320.16
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Huge engagement ring - huge, mine

Huge engagement ring - huge, mine

$324.26
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Igi carat cushion cut - 3,

Igi carat cushion cut - 3,

$1593.75
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Round ring diamond black - diamond,

Round ring diamond black - diamond,

$71.25
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14k gold stone engagement - 3-stone,

14k gold stone engagement - 3-stone,

$1316.18
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3ct oval cut lab - lab, created

3ct oval cut lab - lab, created

$44.70
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Share stunning ct cushion - 5.92,

Share stunning ct cushion - 5.92,

$322.39
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Igi certified ct - 3.00, pear

Igi certified ct - 3.00, pear

$2070.00
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Stone 4ct oval cut - 3-stone,

Stone 4ct oval cut - 3-stone,

$101.32
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3ct emerald cut - emerald,

3ct emerald cut - emerald,

$79.65
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Igi certified carat oval cut - 3,

Igi certified carat oval cut - 3,

$1729.46
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Carat certified princess - 2/3,

Carat certified princess - 2/3,

$1358.00
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3ct marquise cut lab - marquise,

3ct marquise cut lab - marquise,

$90.00
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Diamond ring engagement gold - ring,

Diamond ring engagement gold - ring,

$2135.43
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Vvs2 round lab grown - vvs2,

Vvs2 round lab grown - vvs2,

$1395.00
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Platinum stone engagement - 3-stone,

Platinum stone engagement - 3-stone,

$3720.47
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Carat beautiful round - 3,

Carat beautiful round - 3,

$5945.00
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Bridal diamond - bridal,

Bridal diamond - bridal,

$1278.00
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Everything you are - you, 3

Everything you are - you, 3

$87.99
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Cushion cut three stone - cushion,

Cushion cut three stone - cushion,

$161.09
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Looking for more 3 carat diamond engagement ring?

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📊96 listings · from $38.94 · avg $890.26
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 3 carat diamond engagement ring listings currently in our index. Prices range from $38.94 to $9000, with an average of $890.26. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 3 carat diamond engagement ring →

Try this: 14k gold ring | retired pandora rings | cartier panther ring | genuine alexandrite rings | neil lane engagement rings | pink star sapphire ring | tiffany infinity ring | triton rings | cartier engagement ring | gold coin ring

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Everything you need to know about 3 carat diamond engagement ring

Whether you are looking for a brand-new or second-hand 3 carat diamond engagement ring, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $38.94, while premium listings can reach $9000 — giving you a wide budget spread to work with. The average price of $890.26 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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