GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(241)$250(5 bids)Mar 11, 2026
GIA Certified 8.04ct natural cabochon opal diamonds cocktail ring 14ktChairish Auctions4.5(10.3k)$3,400
3.50ct Black Opal, 2.00ctw Diamond and Platinum RingGWS Auctions Inc.4.5(287)$1,000(1 bid)Feb 28, 2026
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.4(202)$505 days Left
