GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(241)$200(4 bids)Feb 28, 2026
4.00 CARAT SYNTHETIC SAPPHIRE 0.36 CARAT DIAMOND 14K YELLOW GOLD HALO RINGModern Jewelry4.5(204)$2,250Mar 03, 2026
Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingDiamond Depot4.3(10)$1,8006 days Left
18k Yellow Gold GIA Certified 2.15ct Black Opal Diamond Cocktail RingMynt Auctions4.4(829)$100Feb 19, 2026
