Sold2024Natural Multi-Color Flashing Boulder Opal 24.17 Ct. Free Form Cabochon GemstoneProduct ID: 818727169 Product Name: Natural Opal Weight: 24.17 CT. Size: 25 x 20 x 5 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Good Gems Origin: Queensland Australia TreaSee Sold Price
Sold2024Natural Multi Color Flashing Boulder Opal 31.58 Ct. Free Form Cabochon Shape 37 x 23 Mm. GemstoneProduct ID: 818727175 Product Name: Natural Opal Weight: 31.58 CT. Size: 37 x 23 x 5 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Queensland AustraliSee Sold Price
Sold2024Multi Color Flashing Boulder Opal 19.53 Ct. Free Form Cabochon 26 x 21 Mm. Natural GemstoneProduct ID: 818727174 / Product Name: Natural Opal / Weight: 19.53 CT. / Size: 26 x 21 x 4 MM. / Shape: Free Form Cabochon / Color: Multi-Color / Clarity:Opaque / Luster: Iridescent / Gems Origin: QueSee Sold Price
Sold2024Multi Color Flashing Boulder Opal 1.35 Ct. Natural Gemstone Free Form CabochonProduct ID: 818723532 Product Name: Natural Opal Weight: 1.35 CT. Size: 8.9 x 4.9 x 3.1 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Good Gems Origin: Queensland Australia TSee Sold Price
Sold2024Matrix Boulder Opal 14.10 Ct. Oval Cabochon Shape 17.3 x 13.6 Mm. Natural Gemstone UnheatedProduct ID: 818723095 Product Name: Natural Opal Weight: 14.10 CT. Size: 17.3 x 13.6 x 7 MM. Shape: Free Form Cabochon Color: Multi-Color Clarity:Opaque Luster: Strong Iridescent Gems Origin: AustraliSee Sold Price
Sold2024Natural Multi Color Flashing Boulder Opal 3.22 Ct. Free Form Cabochon Gemstone From AustraliaProduct ID: 818723991 Product Name: Natural Opal Weight: 3.22 CT. Size: 11.5 x 9.4 x 3.8 MM. Shape: Free Form Cabochon Color: Multi Color Clarity:Opaque Luster: Iridescent Gems Origin: Queensland AustSee Sold Price
Sold2024Natural Multi Color Matrix Boulder Opal 1.94 Ct. Free Form Cabochon Shape 8.7 x 7.4 Mm Gemstone FromProduct ID: 818720275 Product Name: Natural Opal Weight: 1.94 CT. Size: 8.7 x 7.4 x 3.9 MM. Shape: Free Form Cabochon Color: Multi Color Clarity:Opaque Luster: Iridescent Gems Origin: Australia TreatmSee Sold Price
Sold202012.76 ct boulder opalTitle: 12.76 ct boulder opal Color/Clarity: matrix opal Gemstone Type: natural/unheated Carat Weights: 12.76 Size/Dimensions: 24.42 X 16.34 X 6.19 MM Additional Information: Australia Reserve: $55.00See Sold Price
Sold202422.92 ct Australian Boulder Opal Gemstone Cabochon22.92 ct Boulder Opal cabochon. 28 x 18mm. Queensland Australia origin gemstone. Perfect shape & size for a lovely pendant.See Sold Price
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
Sold20185.92 ct Australian Boulder OpalItem: 5.92 ct Australian Boulder Opal Gemstones: Opal Carat Weights: 5.92 Size/Dimensions: 17.5 mm x 12.4 mm x 4.0 mm Please note that this lot has a confidential reserve. When you leave a bid in advaSee Sold Price
Sold201810.74 ct Australian Boulder OpalTitle: 10.74 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 10.74 Size/Dimensions: 26 mm x 12 mm x 4.5 mm Additional Information: Koroit Opal Fields Please note that this lot has aSee Sold Price
Sold201810.45 ct Australian Boulder OpalTitle: 10.45 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 10.45 Size/Dimensions: 30.4 mm x 10.0 mm x 4.2 mm Additional Information: Koroit Opal Fields No Reserve: This lot startsSee Sold Price
Sold202270.44 ct Natural Boulder OpalNo Reserve! Title: 70.44 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 70.44 Size/Dimensions: 45.05 x 30.45 x 6.00 Additional Information: Oval - Australia ShippingSee Sold Price
Sold20189.81 ct Australian Boulder OpalItem: 9.81 ct Australian Boulder Opal Gemstones: Opal Carat Weights: 9.81 Size/Dimensions: 16.7 mm x 15.2 mm x 4.2 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that collectSee Sold Price
Sold201822.9 ct Australian Boulder OpalTitle: 22.9 ct Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 22.9 Size/Dimensions: 30 mm x 14 mm x 6.6 mm Additional Information: Koroit Opal Fields No Reserve: This lot starts at $1See 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
Oct 05Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 10.60 Ct. Free Form Cabochon Shape 22 x 11.4 Mm. Gemstone$1
Oct 05Treasure of Gems & JewelryNatural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From Australia$1
Sep 30Adam's AuctioneersAN OPAL AND DIAMOND PENDANT NECKLACE Set with a polished oval-shaped cabochon boulder opal, framed€500