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Synthetic spinel mm - spinel,
$16.38
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Dark blue natural - natural, untreated
$45.00
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Natural pink spinel - natural,
$75.00
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Cushion cut reddish orange - cushion, reddish-orange
$31.96
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Vintage marquise 10k - vintage,
$275.00
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Precision cut lab - 12.00,
$168.00
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Synthetic rectangle faceted - synthetic,
$8.07
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Vintage 10k yellow - vintage, gold
$399.00
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Pcs 6mm 4mm - 6mm, white
$7.99
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Massive synthetic sky blue - synthetic,
$200.00
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Synthetic round brilliant - synthetic,
$4.08
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One 12mm 10mm flat cushion - x,
$20.47
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Synthetic spinel faceting - synthetic,
$52.52
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Natural light pink - spinel, 1.38
$75.00
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3.82carat natural spinel
$279.00
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Bbj 925 sterling silver - bbj, blue
$35.50
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90ct natural spinel - natural,
$545.00
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Vtg 18k synthetic - , spinel
$850.00
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Synthetic blue spinel - spinel, ring
$486.71
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Ctw mm round brillant - 3.40,
$25.05
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Mens 925 sterling - mens,
$26.99
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Stamped sterling silver - stamped,
$44.99
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Blue synthetic spinel - ct,
$65.00
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Pair mm fancy double - pair,
$14.54
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Vintage austrian carat - austrian,
$3.74
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10k gold retro - 10k, era
$359.99
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Lot oval synthetic spinel - of,
$21.50
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Lot oval synthetic white - oval,
$19.99
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Natural spinel gemstone 30 - natural, 2.30
$225.00
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Natural tanzania rich - ct,
$41.21
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Natural green spinel ct - natural,
$69.00
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Antique ladies 14k - antique, gold
$220.99
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Glowy erica courtney ec - erica, xo-ec
$84.99
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Antique 14k rose gold cocktail
$447.14
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Pcs mm princess cut - of, 3.5
$12.05
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Sterling silver vermeil - silver,
$80.00
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Chuck clemency sts - clemency,
$35.00
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14k tri gold 1930s art - gold, deco
$699.00
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Natural gray blue spinel - gray,
$300.00
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Uncas sterling silver - uncas,
$24.99
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Size women s synthetic - 5-5.5,
$20.00
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Pieces oval 4 mm blue - 36,
$24.99
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Pair 5 mm fancy - of,
$17.54
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Pair mm round - pair, 6
$14.45
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New vintage marvel - vintage,
$37.00
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Stamped sterling silver - sterling,
$36.99
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Uncas sterling silver - uncas,
$24.99
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Colorful gemstones - 38,
$99.00
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Espo aqua synthetic - espo,
$30.00
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Ladies 14k white gold ring - 14k,
$346.99
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Vtg estate 10k white gold - 10k,
$250.00
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Art deco 800 silver - art,
$243.94
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Oval synthetic spinel pastel - oval,
$20.00
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Assorted gemstones loose - gemstones,
$159.99
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Vtg 14k yellow gold - 14k,
$750.00
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Stamped uncas 14k gold - uncas, filled
$34.99
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Bbj 925 sterling - 925,
$59.99
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Vintage ring size - vintage,
$164.99
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Karat yellow gold - 14,
$625.68
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Pink spinel loose gemstones/
$8.99
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925 sterling silver ornate - 925,
$49.95
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One 12x10 synthetic buff top - buff,
$20.47
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Carat gold ring - carat,
$370.00
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Antique retro 14k - 14k, yellow
$750.00
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Lot 100 oval 4 mm - oval, 6
$38.50
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49ct lotus blossom pink - 1.49ct,
$550.00
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Vintage 14k white - white, gold
$499.00
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14k gold lab - gold, created
$850.00
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Pair mm fancy double - a, of
$16.54
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Vintage synthetic white spinel - vintage,
$37.99
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Synthetic lab created spinel - synthetic,
$36.99
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Vintage stamped sterling - vintage,
$23.99
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10k yellow gold ring 10mm - yellow,
$714.95
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Vintage 14k tri color - tri-color, gold
$850.00
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Fancy checkerboard round - 6,
$11.60
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Ctw mm fancy double - 1.5,
$17.83
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Synthetic spinel natural - spinel,
$21.00
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392 60cts green - green, tourmaline
$65.99
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Synthetic marquise cut - synthetic,
$8.82
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Super awesome vintage - super, 14k
$1197.00
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Vintage 10k gold plated unique - plated,
$399.00
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Estate vintage aristic - vintage,
$439.00
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Stamped sterling silver - stamped,
$29.99
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Synthetic spinel 14k yellow - spinel,
$175.00
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Ring solitaire white spinel - ring,
$35.00
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Synthetic oval cabochon - oval, loose
$8.58
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925 sterling silver - silver, polished
$17.02
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Stamped uncas sterling silver - uncas,
$34.99
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Lia sophia light dark blue - light, &
$11.00
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100 natural tanzanian - 100%,
$8600.00
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Ctw mm round - 2.6,
$19.23
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Edwardian 18k white gold - edwardian,
$699.00
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Fancy checkerboard round - fancy,
$17.50
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Vintage baden foss - &, 14k
$1499.00
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Natural misty gray - gray, spinel
$290.00
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Aaa natural flawless vietnam - flawless,
$16.80
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Looking for more synthetic spinel?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 synthetic spinel listings currently in our index. Prices range from $3.74 to $8600, with an average of $289.46. 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 synthetic spinel →
Try this: brazilian hair | wild turkey | irish pub restaurant | water flosser | girls clothes 6x | maytag commercial washer | undercounter refrigerator | full skateboards | commercial washer dryer | fitness pole
Whether you are looking for a brand-new or second-hand synthetic spinel, 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 $3.74, while premium listings can reach $8600 — giving you a wide budget spread to work with. The average price of $289.46 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.