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AN EARLY 20TH CENTURY OPAL AND DIAMOND BAR BROOCH • Circular-cut fire opal, approx. 1.30cts &#Adam's Auctioneers4.3(13)€240Jun 23, 2026
Platinum Ring with 3.47ctw Black Opal and Trillion Cut Diamond AccentsDiamond Depot4.2(14)$1,2257 days Left
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TIFFANY & CO 2.80 CARAT OLD EUROPEAN CUT DIAMOND 18K GOLD-PLAT OPAL PENDANTModern Jewelry4.5(207)$37,7503 days Left
15.5-11.7MM OPAL 0.75 CARAT OLD EUROPEAN DIAMOND 18K GOLD COCKTAIL RINGModern Jewelry4.5(207)$5,5004 days Left
Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf MotifBidhaus4.3(867)$100Jun 22, 2026
ART DECO ENGAGEMENT RING OLD EUROPEAN CUT DIAMOND PLATINUM RING SOLITAIREModern Jewelry4.5(207)$126,000Jun 28, 2026
OLD EUROPEAN CUT DIAMOND RING GOLD BYPASS COCKTAIL RING SIZE 7Modern Jewelry4.5(207)$77,000Jun 28, 2026
