Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum RingBidhaus4.3(859)US$5,900May 10, 2026
GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with DiamondsBidhaus4.3(859)US$2,4503 days Left
Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingDiamond Depot4.2(13)US$2,550May 13, 2026
Black Opal 8.38ct Diamond Platinum Cocktail Ring 9.6 GramsDover Jewelry4.4(17)US$90(1 bid)May 11, 2026
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.5(208)US$5019 hrs Left
Platinum GIA Certified 2.93ct Black Opal Diamond Halo RingMynt Auctions4.4(868)US$100(1 bid)17 hrs Left
18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS ( SIZE: 8 ) 2.2GModern Jewelry4.4(205)US$1,275May 24, 2026
