Solid Black Opal from Lightning Ridge, Australia.
Solid Boulder Opal from Queensland, Australia.
Solid Crystal Opal from Lightning Ridge, Australia.
14K Lightning Ridge Black Opal Inlay RingÃÂÃÂ
Solid Light Opal from Lightning Ridge, Australia.
Solid Black Opal Loose from Lightning Ridge, Australia.
Solid Australian Boulder Opal Ring in 14k Gold
Solid Boulder Opal Sterling Silver (sv925) Ring
Solid Boulder Opal Sterling Silver Ring