GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(244)$250(5 bids)Mar 11, 2026
Platinum Setting with 0.77ct Black Opal and 0.26ct Diamond Ladies RingRiverside Galleries4.4(202)$5011 hrs Left
Platinum Setting with 0.77ct Black Opal and 0.26ct Diamond Ladies RingRiverside Galleries4.4(202)$50(1 bid)3 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.4(202)$504 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.4(202)$501 day Left
Vintage Platinum 1.66ctw GIA Black Opal & Diamond Cocktail RingDiamond Depot4.3(10)$1,500Mar 05, 2026
3.50ct Black Opal, 2.00ctw Diamond and Platinum RingGWS Auctions Inc.4.5(287)$1,400(2 bids)4 days Left
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.4(202)$502 days Left
