Designer Black Opal Ring With Diamond For Women (5x7 mm Pear Shape), 18K White Gold, US 12.25

Australian Black Opal Cabochon 6x4mm Lightning Ridge

Black Gold Natural Black Opal Ring Black Opal Ring Fire Opal Ring Black Fire Opal Ring Pear Black Opal Ring- October Birthstone Ring

Black Opal From Lightning Ridge, Australia.

Black Opal From Lightning Ridge, Australia

Pear Shape Black Opal Solitaire Ring For Women With Diamond Collar - 5X7 MM, 10K White Gold, US 12.00

6.25 Ct. Black Opal , Lightning Ridge Gem

Black Opal Solitaire Ring With Diamond Trio For Women (5X7 Mm, AAA Grade), 10K Yellow Gold, US 3.50

Aaa+ Black Opal Cabochon 20X14 Mm, 7 Cts Vivid Loose Gemstone

Classic Black Opal Solitaire Ring With Diamond For Women (6X8 Mm, AAA Grade), 10K White Gold, US 10.75

Rare Rare Rare Outstanding Stunning Multi Fire Black Opal Cabochon-

Classic Black Opal Solitaire Ring With Diamond For Women (6X8 Mm, AAA Grade), 18K Yellow Gold, US 6.25

17x14x7mm Natural Black Opal Cabochon Welo Fire Black Opal 7.20 Carat