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Jul 27, 2026GIA certified Australian black opal diamond platinum ring size 6.5Est. $5,551-$6,716$1,625Diamond DepotNew York, NY
6 days Left1901 Samoa German Colony Scott 68 3M Yacht Hohenzollern MNHEst. $80-$140$50Chan & Scott Auction HouseLinghem, Ostergotland
1 day Left14k Yellow Gold Australian Opal Ring with Diamond Accents and Scalloped FrameEst. $734-$888$240Diamond DepotNew York, NY
Jul 27, 2026Platinum GIA Certified 2.37ct No Heat Royal Blue Sapphire Diamond RingEst. $5,637-$6,821$2,150Diamond DepotNew York, NY
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