GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(241)$225(5 bids)Feb 28, 2026
3.50ct Black Opal, 2.00ctw Diamond and Platinum RingGWS Auctions Inc.4.5(287)$1,000(1 bid)Feb 28, 2026
14K Gold 7.12ct Opal 0.48ct Sapphire 2.20ct Diamond RingPrestige Auction Galleries4.4(643)$506 days Left
14K Gold 7.12ct Opal 0.48ct Sapphire 2.20ct Diamond RingPrestige Auction Galleries4.4(643)$502 days Left
14K Gold 10.00ct Opal 0.80ct Sapphire 1.00ct Diamond RingPrestige Auction Galleries4.4(643)$507 days Left
Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingDiamond Depot4.3(10)$1,80020 hrs Left
Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum RingDiamond Depot4.3(10)$4,70020 hrs Left
