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Time
Various
Natural white diamond - white,
$22.46
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Pcs lab grown cvd diamond - cvd,
$140.00
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Certified ct natural - 5.15,
$64.99
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Certified natural 10 ct - , 3.10
$67.39
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Natural white diamond ct - natural,
$129.99
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Natural white diamond - 3.00, ct
$135.99
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100 pcs loose - pcs,
$112.09
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Natural royal blue - natural,
$24.48
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Natural white diamond - 1,
$19.56
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Natural white diamond - 2,
$30.84
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Natural white diamond - 1,
$27.50
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Pcs lab grown cvd diamond - lab-grown,
$29.57
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Igi certified ct - ct, round
$62.00
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Certified natural ct - certified, 1.85
$574.00
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Round lab grown - ct,
$59.77
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1ct round earth mined - 1ct,
$721.60
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Natural white diamond - natural,
$21.50
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Natural white diamond - 1, ct
$23.50
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Pcs lab grown - lab-grown, diamond
$80.00
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Certified natural ct - certified,
$1148.00
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Natural white diamond ct - diamond,
$54.50
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Pcs natural loose round - 32,
$71.00
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Pcs natural loose round - pcs,
$71.00
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Natural white diamond - 3.55,
$146.99
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Real natural loose diamond - loose,
$20.41
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200 pcs lot round cut - lot, fancy
$24.84
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Natural white diamond - white,
$55.86
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Loose lab grown cvd diamond - loose, lab-grown
$19.49
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Certified ct natural - 10.00,
$128.57
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00ct round cut natural - 3.00ct,
$449.00
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Pcs loose cvd - pcs, lab
$132.74
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Pcs lab grown ct cvd - pcs,
$399.99
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Natural white diamond - natural,
$47.51
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Natural white diamond - diamond, ct
$145.99
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2ct round cut - cut, lab
$56.55
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4ct round cut - cut, lab
$21.25
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Reserve 82 ct natural - no,
$245.99
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00ct round natural diamond - natural,
$321.75
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00ct round cut natural - 4.00ct,
$565.00
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Igi certified lab grown - 1,
$59.99
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Rare certified ct - rare,
$106.99
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500 pcs loose - 500, grown
$34.21
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Pcs loose cvd - lab, grown
$70.79
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Pcs loose lab grown - 50,
$73.74
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Natural white diamond - natural,
$136.99
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Lab grown cvd - 2.50,
$50.14
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Blue diamond round cut - diamond,
$6.99
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Lab grown 00ct - 1.00ct, diamond
$15.59
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Pcs round cut - cut, blue
$24.15
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4ct round cut natural - cut,
$312.00
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Natural white diamond - natural,
$152.99
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Pcs lab grown cvd - 5,
$44.00
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Diamonds natural 100 pcs round - diamonds,
$2300.00
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Lab grown 00ct cvd - 3.00ct, diamond
$50.40
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Natural white diamond mm - natural,
$25.38
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Lab grown moss - lab,
$85.00
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00ct round cut natural - 1.00ct,
$510.38
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2ct round cut lab created - 2ct,
$48.78
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Natural yellow diamond - ,
$29.25
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Natural white diamond ct - natural,
$147.99
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Pcs round cut - 10,
$24.15
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Natural pink diamond - 3,
$36.00
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Natural blue diamond - ct,
$36.00
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Blue diamond loose faceted - blue,
$13.49
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Pretty 3ct round cut - pretty,
$55.20
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Loose cvd lab grown diamond - loose,
$32.99
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Loose lab grown cvd diamond - loose, lab-grown
$32.49
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50ct round cut lab - 1.50ct,
$15.99
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Round cut lab - 4.ct, created
$42.39
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Round cut lab created - ct,
$105.31
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Treated round cut - ct,
$99.00
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Natural ct white diamond - ,
$137.99
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Natural pink diamond - ct, mm
$22.53
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Certified earth mined - ct, earth-mined
$54.00
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Natural yellow diamond 5 - diamond,
$22.56
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1ct natural round - 1ct, purple
$28.00
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Lab grown cvd diamond - ct,
$141.59
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Pcs round cut facncy green - 10,
$24.15
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10ct lab created - 10ct, diamond
$74.96
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Rare certified ct round - rare,
$227.50
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Natural green diamond - 2,
$29.25
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Rare certified round - rare, 20.00
$150.99
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Flawless natural white - natural,
$37.20
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Round cut lab created - ct,
$21.50
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Natural white diamond - 1,
$22.56
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Color round cut vvs1 - 5,
$48.30
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Certified natural baby - ct,
$34.90
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Natural white diamond - ct,
$21.60
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Carat scoop 5mm - 1+carat, 1.5mm
$52.79
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2ct fancy orange - 2ct, round
$49.50
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Pair ct vvs1 - of, d
$51.70
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Natural white diamond - 3.25, ct
$140.99
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Best deal 60ct - best, round
$3716.78
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Igi certified carat - certified, 6
$1199.00
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Loose lab grown cvd diamond - lab-grown,
$249.99
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Certified ct natural - certified,
$67.79
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Looking for more round diamond?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 round diamond listings currently in our index. Prices range from $6.99 to $3716.78, with an average of $186.26. 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 round diamond →
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Whether you are looking for a brand-new or second-hand round diamond, 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 $6.99, while premium listings can reach $3716.78 — giving you a wide budget spread to work with. The average price of $186.26 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.