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Oval cut natural - 3.00,
$225.00
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Emerald cut natural - emerald,
$272.79
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Oval cut natural - ct, ruby
$519.49
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Oval cut natural - natural, ruby
$271.99
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10kt rose gold - 10kt, &
$599.99
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Diamond ruby 80 ct art - 2.80,
$95.20
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14k yellow gold garnet - gold,
$795.00
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10k solid gold ruby - 10k,
$197.50
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10k yellow gold marquise - marquise, red
$400.00
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New all natural - all-natural, +
$679.99
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Oval cut natural ruby - cut,
$200.00
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3ct princess cut lab - princess,
$250.99
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50ct emerald cut lab created - emerald,
$223.99
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Marquise cut natural - cut,
$490.00
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Oval cut natural ruby - 5.00, ct
$598.50
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Marquise cut natural - cut,
$174.99
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14k yellow gold plated 2ct - yellow,
$83.04
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Stunning ruby and - kt,
$499.00
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14k yellow gold over 90ct - gold, 2.90ct
$45.37
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50ct oval cut lab created - lab,
$205.99
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Mld rhodium plated - mld, sterling
$359.99
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10k yellow gold - 10k, natural
$67.99
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5ct lab created red - 5ct,
$39.66
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Oval cut natural ruby - ct,
$244.99
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Roberto coin 18k gold - roberto,
$479.00
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Cushion cut natural - ct,
$324.35
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14k yellow gold round - 14k,
$63.36
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14k yellow gold - 14k, diamond
$599.99
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Marquise cut natural - marquise,
$490.00
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Oval cut natural ruby - cut,
$164.50
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2ct round cut simulated red - cut,
$126.00
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Skeleton red dial vvs - skeleton, iced
$149.99
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Art deco style oval - art, lab
$79.28
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Vintage 18k 750 gold - gold, natural
$685.00
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Oval cut natural - 4.10, ruby
$157.50
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Gold men ring star - men's,
$650.00
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9ct yellow gold ruby diamond - 9ct,
$665.54
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Engagement ring oval - engagement,
$79.99
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Cushion cut natural - cut,
$136.27
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Oval cut natural - ct,
$179.39
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Levian 14k yellow - yellow, gold
$286.99
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Lot certified natural - pc,
$55.53
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Cushion cut natural - ct,
$344.00
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Vintage rena jewel - rena, 17
$1199.99
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50ct oval cut natural red - cut,
$237.99
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Gia red ruby - ruby, oval
$13080.00
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Cushion cut natural - cushion,
$62.50
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Round cut natural - ct,
$136.00
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90ct cushion cut - cushion, natural
$340.20
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Oval cut natural ruby - cut,
$200.00
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5ct lab created - 5ct, red
$38.50
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Pcs natural ruby 8mm - ruby, 2.8mm
$23.99
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00ct oval cut natural red - oval,
$529.00
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Natural ruby and - ruby,
$164.80
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14k yellow gold - gold, plated
$84.69
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Vtg estate 14k - estate,
$895.00
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Rarities carol brodie art deco - carol,
$155.00
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00ct round cut - 2.00ct, ruby
$299.00
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Emerald cut natural - emerald,
$119.84
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100 pcs natural ruby - 100,
$29.99
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9ct round cut - cut, ruby
$84.99
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Emerald cut natural - 2.00,
$450.00
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Oval cut natural ruby - 4.60,
$344.00
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5ct lab created red ruby - created,
$53.43
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Oval cut natural ruby - cut,
$61.75
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90ct oval cut natural - 3.90ct,
$480.00
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Real natural ruby - 6.00,
$167.99
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Heavy 14k yellow gold - 14k,
$2800.00
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Cushion cut natural - cushion,
$150.50
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50ct heart cut - heart,
$45.54
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Stylish solid 14k gold - stylish,
$244.99
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50ct lab created - 2.50ct, lab-created
$38.40
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David yurman petite - david, albion
$329.00
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Cushion cut natural - ct,
$85.99
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Round cut lab created - cut,
$69.95
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2ct marqusie cut ruby - marqusie,
$75.89
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Cushion cut natural - 4.72, ct
$274.45
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3ct emerald cut - 3ct, created
$59.40
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Cushion cut natural - cushion,
$498.89
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3ct lab created ruby - 3ct,
$47.45
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2ct lab created red - lab-created,
$31.50
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Oval cut natural ruby - 6.00,
$344.50
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14k yellow gold over lab - gold,
$29.20
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3ct lab created - 3ct, baguette
$30.85
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2ct round cut red ruby - round,
$35.70
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Heart cut natural - heart,
$268.95
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3ct oval lab created ruby - oval, &
$85.83
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Cushion natural ruby - 4.70,
$149.60
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4ct pear cut red - pear,
$39.60
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Cushion cut natural - ct,
$164.50
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14k white gold - 14k,
$389.50
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Art deco style pink - art, ruby
$76.68
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Cushion cut natural - cushion,
$146.40
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Oval cut natural - ct,
$147.20
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3ct round cut lab - round,
$95.00
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10ct simulated emerald cut - 2.10ct,
$142.99
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Looking for more ruby diamond?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 ruby diamond listings currently in our index. Prices range from $23.99 to $13080, with an average of $410.37. 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 ruby diamond →
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Whether you are looking for a brand-new or second-hand ruby 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 $23.99, while premium listings can reach $13080 — giving you a wide budget spread to work with. The average price of $410.37 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.