Second-hand - Platinum PT900 ring, set with a 14-carat black opal and a 5-carat diamond.TOISHINSEI Co., Ltd.4.7(175)$10,0004 days Left
Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo RingMynt Auctions4.4(874)$305(3 bids)13 hrs Left
GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with DiamondsDiamond Depot4.2(15)$3,1002 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.5(214)$503 days Left
