4.1cts - Yowah Nut Partial Crystal Centre Opal. Australian Boulder Opal US$ 199.50 Min. order: 1 piece ★★★★★ 4.1 (250 reviews) Sold : Login>>
0.95cts - South Australian Crystal Opal US$ 150.00 Min. order: 1 piece ★★★★★ 5.0 (297 reviews) Sold : Login>>
14.5cts - Yowah Nut Crystal Centre Opal. Australian Boulder Opal US$ 600.00 Min. order: 1 piece ★★★★★ 4.7 (69 reviews) Sold : Login>>
1.05cts - South Australian Semi Crystal Opal US$ 199.00 Min. order: 1 piece ★★★★★ 4.6 (168 reviews) Sold : Login>>
18.4cts - Super Rare Black Yowah Nut Crystal Centre Opal. Australian Boulder Opal US$ 920.00 Min. order: 1 piece ★★★★★ 4.3 (25 reviews) Sold : Login>>
43.1cts - Large Solid Australian Boulder Pipe Opal US$ 475.00 Min. order: 1 piece ★★★★★ 4.5 (155 reviews) Sold : Login>>