Sold2020Australian koroit boulder opal-33.65 ct.Australian koroit boulder opal-33.65 ct. Reserve: $50.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere within the contiguous U.S. International: Foreign shipping rates are determined by destinatSee Sold Price
Sold2024310 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform RoughDimension: 13 TO 25 mmSee Sold Price
Sold202448 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform RoughDimension: 17 to 24 mmSee Sold Price
Sold20248.8 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform CabochonDimension: 18 x 13 x 4 mmSee Sold Price
Sold2024147 Ct Koroit Boulder Opal Rough - Australian Opal - Freeform RoughDimension: 45 x 25 mmSee Sold Price
Sold20247.9 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform CabochonDimension: 13 X 11 x 4 CmSee Sold Price
Sold20246.5 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform CabochonDimension: 20 X 9 x 4 CmSee Sold Price
Sold20248 Ct Koroit Boulder Opal Polished - Australian Opal - Freeform CabochonDimension: 21 X 15 x4 CmSee Sold Price
Sold201826.03 ct Australian Boulder OpalItem: 26.03 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 26.03 Size/Dimensions: 23.1 mm x 20.9 mm x 7.2 mm Additional Information: Australian Koroit Boulder Opal No Reserve: ThisSee Sold Price
202350Ct Australian Koroit Yowah Boulder Opal Cabochon23x9mm Weight: 50 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auctSee Sold Price
202378Ct Australian Koroit Yowah Boulder Opal Cabochon23x15mm Weight: 78 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
Sold202331Ct Australian Koroit Yowah Boulder Opal Cabochon21x13mm Weight: 31 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
202350Ct Australian Koroit Yowah Boulder Opal Cabochon22x15mm Weight: 50 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
Sold202359Ct Australian Koroit Yowah Boulder Opal Cabochon15x10mm Weight: 59 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
Sold202359Ct Australian Koroit Yowah Boulder Opal Cabochon19x9mm Weight: 59 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auctSee Sold Price
Sold202352Ct Australian Koroit Yowah Boulder Opal Cabochon15x17mm Weight: 52 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
202354Ct Australian Koroit Yowah Boulder Opal Cabochon27x46mm Weight: 54 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
Sold2023Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon17x13x4mm Weight: 6 CaratSee Sold Price
Sold2023Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's BrillianceDimension: 17x9x3.6 mm Weight: 4.85 Ct Estimate: $220-$460 In recent auctions, Australian Koroit Matrix Boulder Opals have witnessed an increasing demand. An opal of similar quality and pattern was auSee Sold Price
202366Ct Australian Koroit Yowah Boulder Opal Cabochon14x18mm Weight: 66 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
Sold2023Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's BrillianceDimension: 13.5x9.7x3.3 mm Weight: 3.5 Ct Estimate: $220-$460 In recent auctions, Australian Koroit Matrix Boulder Opals have witnessed an increasing demand. An opal of similar quality and pattern wasSee Sold Price
Sold2023Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's BrillianceDimension: 15x10x4.4 mm Weight: 6.53 Ct Estimate: $220-$460 In recent auctions, Australian Koroit Matrix Boulder Opals have witnessed an increasing demand. An opal of similar quality and pattern was aSee Sold Price
Sold2023Australian Koroit Matrix Boulder Opal: Vibrant Tapestry of Nature's BrillianceDimension: 14x11.4x3 mm Weight: 3.4 Ct Estimate: $220-$460 In recent auctions, Australian Koroit Matrix Boulder Opals have witnessed an increasing demand. An opal of similar quality and pattern was auSee Sold Price
202343Ct Australian Koroit Yowah Boulder Opal Cabochon17x12mm Weight: 43 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style aucSee Sold Price
4 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 31.58 Ct. Free Form Cabochon Shape 37 x 23 Mm. Gemstone$1
May 24Treasure of Gems & JewelryNatural Multi-Color Flashing Boulder Opal 24.17 Ct. Free Form Cabochon Gemstone$1
May 24Treasure of Gems & JewelryNatural Unheated Multi Color Swan Opal Boulder Carving 21.67 Ct. Gemstone From Australia$1