Sold202412 Carats of Australian Black Boulder Opal2.44 grams or 12 carats. Meausres 3/4" by 1/2" by 1/4"See Sold Price
Sold20181.2 Carat Loose Australian Black Opal Lightning RidgeItem: Australian Black Opal - Lightning Ridge Loose Gemstone: Black Opal Carat Weight: 1.2 Size/Dimensions: 10 mm x 6 mm x 3.8 mm Shape: Freeform / Origin: Lighting Ridge, Australia / Treatment: NoSee Sold Price
Sold20181.19 Carat Loose Australian Boulder OpalItem: NO RESERVE Australian Boulder Opal Loose Gemstone: Boulder Opal Carat Weight: 1.19 Size/Dimensions: 8.1 mm x 6.5 mm x 2.5 mm Shape: Oval / Origin: Koroit Opal Fields, Australia / Treatment: NSee Sold Price
Sold20182.34 Carat Loose Australian Boulder OpalItem: NO RESERVE Australian Boulder Opal Loose Gemstone: Boulder Opal Carat Weight: 2.34 Size/Dimensions: 10.4 mm x 8.2 mm x 3.9 mm Shape: Oval / Origin: Koroit Opal Fields, Australia / Treatment: NonSee Sold Price
Sold2023Black Boulder Australian Opal GeodeDIMENSIONS APPROX 7x3x5CM. Please carefully study all photographs to get an accurate idea of the object. In good condition, as seen. Shipping is in-house and we ship internationally to US and rest ofSee Sold Price
Sold20173.08 Carat Loose Australian Lighting Ridge Black OpalItem: Australian Lighting Ridge Black Opal Loose Gemstone: Opal Carat Weight: 3.08 Dimensions: 15.5 mm x 12.5 mm x 3.5 mm Shape: Triangle Shipping: Domestic: Flat-rate of $4.00 to anywhere within theSee Sold Price
Sold20183.02 Carat Loose Australian Lighting Ridge Black OpalItem: Australian Lighting Ridge Black Opal Loose Gemstone: Black Opal Carat Weight: 3.02 Origin: Lightning Ridge, Australia Please note that this lot has a confidential reserve. When you leave a bid iSee Sold Price
Sold20180.9 Carat Loose Australian Lighting Ridge Black OpalItem: Australian Lighting Ridge Black Opal Loose Gemstone: Black Opal Carat Weight: 0.9 Size/Dimensions: 7.1 mm x 6.1 mm x 3.4 mm Origin: Lightning Ridge, Australia Please note that this lot has a conSee 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
Sold2019Australian Black OpalTitle: Australian Black Opal Gemstones: Opa; Carat Weights: 1.9 Size/Dimensions: 11.1 mm x 8.0 mm x 3.2 mm Additional Information: Sugar Treated Reserve: $55.00 Shipping: Domestic: Flat-rate of $5.00See Sold Price
Sold2019Australian Black OpalTitle: Australian Black Opal Gemstones: Opal Carat Weights: 1.2 Size/Dimensions: 11.0 mm x 7.0 mm x 2.2 mm Additional Information: Sugar Treated Reserve: $50.00 Shipping: Domestic: Flat-rate of $5.00See 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
Sold201810.04Â ct Australian Boulder OpalItem: 10.04Â ct Australian Boulder Opal Gemstones: Opal Carat Weights: 10.04 Size/Dimensions: 17.9Â mm x 15.6 mm x 4.9 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that colSee Sold Price
Sold2021A Collection of Unmounted Opals.A Collection of Unmounted Opals. Comprising a black opal, boulder opals and Australian opals. Together with an opal tie tack in a goldfilled mountingSee 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
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
Sold2018Australian Boulder OpalReserve Reduced! Title: Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 12.3 Size/Dimensions: 33 mm x 10 mm x 3.6 mm Additional Information: Australian Koroit Opal Fields Reserve: $25.0See Sold Price
Sold20187.82 Australian Boulder OpalItem: 7.82 Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 7.82 Size/Dimensions: 16.2 mm x 13.1 mm x 4.8 mm No Reserve: This lot starts at $1 and has no reserve as a courtesy so that coSee Sold Price
Sold2018Australian Boulder OpalReserve Reduced! Title: Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 7.2 Size/Dimensions: 16.3 mm x 10.6 mm x 5.1 mm Additional Information: Australian Koroit Opal Fields Reserve: $1See Sold Price
2 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 99Ct, Direct from Queensland Mines$5
2 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 87Ct, Direct from Queensland Mines$5
2 days LeftThousand Planet Auction HouseA Gleaming Koroit Boulder Opal Cabochon, Contemporary Australian Gemstone$5
2 days LeftThousand Planet Auction HouseA Gleaming Koroit Boulder Opal Cabochon, Contemporary Australian Gemstone$5