Shop › Boulder Opal Boulder Opal A$1,100.00 Sold Out A pair of unset Boulder Opal mine from Queensland, Australia. A pair of unset Boulder Opal mine from Queensland, Australia. Get notified by email when this product is in stock. Sold Out Added! You Might Also Like Rare Black Opal 2.58 Carat A$3,500.00 11.5 Carat Solid Black Opal A$9,250.00 1.3 Carat Solid Red on Black Opal A$1,600.00 Rare Yowah Opal Set of Four A$3,500.00 Sold Out Rare Pair of Yowah Opal 161.92 Carat A$1,800.00 Sold Out
