GIA Certified 8.04ct natural cabochon opal diamonds cocktail ring 14ktChairish Auctions4.5(10.3k)$3,400
GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(243)$250(5 bids)Mar 11, 2026
Platinum Setting with 3.33ct Opal and 0.55ct Diamond Ladies RingRiverside Galleries4.4(202)$502 days Left