GIA certified Australian black opal diamond platinum ring size 6.5Diamond Depot4.3(16)$1,7002 days Left
GIA Certified Platinum Black Opal Diamond Cluster Ring Size 6.5Diamond Depot4.3(16)$3,500Sep 23, 2026
VTG MODERNIST BRUTALIST 18K YELLOW GOLD AUSTRALIAN BLACK OPAL DIAMOND RING 28.7GModern Jewelry4.5(219)$7,600Oct 11, 2026
MODERNIST 14K YELLOW GOLD NATURAL AUSTRALIAN LIGHTNING RIDGE BLACK OPAL RINGModern Jewelry4.5(219)$3,150Oct 11, 2026
Title: Rare Australian Black Opal Fossil Wood 20 Carats Description: A spectacular and rarely seenWilliam George4.2(15)£650
14k Yellow Gold Australian Opal Ring with Diamond Accents and Scalloped FrameDiamond Depot4.3(16)$340Sep 23, 2026
