1.13 ct Dark Opal Ring Stone natural solid Australian gem DOPD1100121
1.35 ct Dark Opal Ring Stone natural solid Australian gem DOPC1100121
Australian Natural Solid Semi-Black Opal 1.95ct Rare Gem from Lightning Ridge
Australian Natural Solid Semi-Black Opal Stone 1.77ct Gem SBOPB110115
Lightning Ridge Solid Natural Semi Black Opal Gem 2.00ct Rare Gem Stone
Natural Solid Rare Red-Orange Semi-Black Opal 1.30ct Lightning Ridge Gemstone