Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum RingDiamond Depot4.3(11)$4,900Mar 25, 2026
Platinum GIA Certified 5.48ct Blue Black Opal Ring with Baguette DiamondsDiamond Depot4.3(11)$2,2504 days Left
Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingMynt Auctions4.4(848)$100Mar 30, 2026
Beautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldWilliam George4.3(8)£600
