Sold2020153ct LOOSE LARGE NATURAL BOULDER MULTI COLORED OPALLARGE NATURAL ROUGH BOULDER OPAL Natural rough boulder opal 153ct Measures 1.91" Long x 1.37 " Wide Multi colored Greens, blues, and purplesSee Sold Price
20231.99Ct Natural Loose Australian Lightning Ridge Black Opal CabochonDimension: 12.7x9.7mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliaSee Sold Price
Sold202312.9Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 23.8x16.6mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202315.2Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 21.8x15.1mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold20238.51Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 19.2x12.9mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202320.11Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 21x16.8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202329.3Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 43x14.5mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202314.5Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 25x18mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian LSee Sold Price
Sold20238.47Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 15.6x13mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202328.5Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 27.2x16.6mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202328.4Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 42x16.3mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202316Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 21.7x18.3mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold20234.4Ct Natural Loose Australian Koroit Yowah Boulder Opal FacetedDimension: 14.3x11.1mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
202316.4Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 28.4x12.3mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold20239.2Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 14.9x11.5mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202320.8Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 25x18.6mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202313.9Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 23.3x17.7mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202313.15Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 23.4x13mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold202316.45Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 18.2x17.8mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold20234.5Ct Natural Loose Australian Lightning Ridge Black Opal CabochonDimension: 20.5x13.2mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
Sold202343.75Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 32.2x19.8x6.6mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustSee Sold Price
Sold202330.44Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 42x21.1x46mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralSee Sold Price
May 09Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 7.20 Ct. Gemstone Unheated From Australia$1
May 09Treasure of Gems & JewelryNatural Multi Color Opal Boulder 20.99 Ct. Swan Carving Size 31 x 22 Mm. Gemstone From Australia$1
May 09Treasure of Gems & JewelryNatural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From Australia$1