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44ct igi certified lab grown - igi,
$1075.43
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Round cut natural diamond - ct,
$322.00
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00ct oval cut natural - oval,
$345.00
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Elegant oval cut certified - cut,
$80.00
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Vvs2 oval lab - 3.00, grown
$1274.99
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5cttw round lab - lab, grown
$1698.60
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4ct radiant cut lab created - radiant,
$63.00
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Princess cut solitaire - 2,
$113.28
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Certified 2ct lab grown - 1/2ct,
$949.90
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Cushion cut - ct,
$91.74
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14k white gold oval cut - gold,
$1086.63
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Marquise engagement ring igi - engagement,
$1031.25
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3ct marquise cut lab - marquise,
$89.23
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Cluster flower shape ring - cluster,
$74.99
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Round cut natural - 5.00, ct
$341.40
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Luxurious premium pear - 6.10, ct
$342.61
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Igi certified 1ct - igi, lab
$779.62
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1ct round cut lab created - round,
$87.49
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2ct marquise cut lab created - cut,
$66.99
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Igi certified 00ct - igi, grown
$779.62
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Estate solid 10k white - estate,
$899.99
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1ct princess cut lab - princess, grown
$759.36
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Round cut natural - ct,
$297.00
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Oval lab grown diamond - oval,
$988.08
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90ct radiant lab grown cvd - radiant, grown/cvd
$1615.60
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Princess cut lab - ct,
$297.00
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85ct vvs1 lab - 2.85ct,
$83.99
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Oval cut natural - oval,
$294.00
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Round cut lab created - ,
$294.00
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Oval cut natural teal - cut,
$294.00
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Marquise cut natural - 3.00,
$294.00
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2ct round cut - lab, created
$88.20
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Rare certified treated - rare, ct
$339.00
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Bridal wedding ring set 25ct - bridal,
$374.00
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Vs1 oval lab grown - lab,
$1895.25
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Marquise cut lab - ct, marquise-cut
$1361.35
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Treated round cut - 3.00, ct
$99.00
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7ct cushion cut vvs1 lab - 4.7ct,
$70.00
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Round lab grown - 3.00, ct
$346.82
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50ct asscher cut natural - cut,
$332.50
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Elongated cushion ef vs1 - 2,
$1417.50
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5cttw round lab grown - grown, diamond
$1645.00
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Cushion cut diamond - ct,
$274.45
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Certified vvs e f - 6.30, ct
$184.00
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Radiant cut 00ct lab - lab, grown
$1475.78
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Igi 50ct radiant vs1 lab - 4.50ct,
$1979.99
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3ct lab created round diamond - created,
$43.75
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Round cut natural - cut,
$219.99
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Round cut brilliant - ct,
$113.26
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2ct round cut - 2ct,
$98.29
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4ct oval cut - cut, created
$72.00
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6ct radiant cut vs1 lab - radiant, ef/vs1
$2054.27
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Old mine cut cushion shape - cut,
$2257.20
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14kt yellow gold - yellow,
$329.99
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Pear cut natural - ct,
$297.00
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Pear shaped diamond - pear-shaped, halo
$650.00
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1ct diamond ring - t.w.,
$525.00
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Oval cut natural ruby - ct,
$288.00
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1ct oval cut vs1 lab - lab, grown
$1793.25
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Emerald cut lab - ct,
$297.00
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925 silver off white diamond - silver,,
$299.55
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Round cut natural - 1.85, ct
$154.00
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Cushion cut natural - ct,
$297.00
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2ct lab created - lab-created, vvs1/d
$41.40
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Sterling silver lab grown - sterling,
$206.71
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14k white gold - white,
$1052.07
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Certified rounnatural - ct,
$230.63
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Natural white diamond - natural,
$20.21
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Rare certified princess - rare,
$140.99
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10ct lab grown - 1.10ct,
$519.99
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Carat marquise diamond 14k - diamond,
$650.00
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20ct marquise cut vs1 lab - 4.20ct,
$1583.99
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6ct oval cut lab grown - cut, lab-grown
$615.99
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Emerald cut natural - ct,
$297.00
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Unique 4ct asscher lab - unique,
$32.64
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Baguette round diamond - baguette,
$135.00
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Certified marquise cut - marquise,
$615.99
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Rare certified round - rare, ct
$150.99
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Radiant cut natural - 6.00,
$274.45
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Marquise cut ef vs - 4.40, ef/vs
$1776.49
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Engagement ring 14k - 1,
$499.10
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Art deco sapphire round - art, ct
$136.00
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Luxury lab grown - lab, ct
$332.00
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Cushion cut natural - cushion,
$135.99
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Art deco style 5ct asscher - art,
$67.90
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Rare certified radiant - ct,
$145.00
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Oval cut 00ct lab - cut, 10.00ct
$2922.48
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Radiant cut ef vs1 - ct, ef/vs1
$1891.99
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White diamond pear cut - ct,
$95.40
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Emerald cut natural - 4.70,
$294.00
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Radiant e vs1 14k - e,
$1230.25
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Round cut simulated - 2,
$124.20
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Vs1 round diamond - 6.60,
$2560.25
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Round cut natural ruby - 1.50, ct
$297.00
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Anniversary ring 50ct round - ring,
$325.00
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Round cut natural - round,
$294.00
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Looking for more 1 ct diamond ring?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 1 ct diamond ring listings currently in our index. Prices range from $20.21 to $2922.48, with an average of $606.02. 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 1 ct diamond ring →
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Whether you are looking for a brand-new or second-hand 1 ct diamond 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 $20.21, while premium listings can reach $2922.48 — giving you a wide budget spread to work with. The average price of $606.02 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.