Sold202415.3 Carats of Australian Black Boulder Opal3.06 grams or 15.3 carats. 1/2" by 5/8".See Sold Price
Sold202412 Carats of Australian Black Boulder Opal2.44 grams or 12 carats. Meausres 3/4" by 1/2" by 1/4"See 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
Sold201810.04Â 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
Sold2018Australian Boulder OpalReserve Reduced! Title: Australian Boulder Opal Gemstones: Boulder Opal Carat Weights: 4.3 Size/Dimensions: 17.7 mm x 12 mm x 3.1 mm Additional Information: Australian Koroit Opal Fields Reserve: $10.See Sold Price
Sold2021Australian Black Opal Certified - 4.02 ctTitle: Australian Black Opal Certified - 4.02 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 4.02 ct Size/Dimensions: 12.17 x 12.02 x 3.63 mm Additional Information: NatSee Sold Price
Sold202054.64 ct Lightning Ridge Australian black opalTitle: 54.64 ct Lightning Ridge Australian black opal Color/Clarity: red,blue ,green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 54.64 Size/Dimensions: 47.17 x 26.22 x 6.43 MM OrigSee Sold Price
Sold201915.28 ct natural lightning ridge australian black opalTitle: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52See Sold Price
Sold201915.28 ct natural lightning ridge australian black opalTitle: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52See Sold Price
Sold20215.14 Ctw Natural Australian Black Opal Pear CabochonNo Reserve! Title: 5.14 Ctw Natural Australian Black Opal Pear Cabochon Stone Clarity: Opaque Gemstones: Australian Opal Size/Dimensions: 5.14 Carat Weights: 17.70 x 8.90 x 3.90 mm Additional InformatSee 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
Sold201917.72 Ct Genuine Australian Black Opal Pear CabochonNo Reserve! Title: 17.72 Ct Genuine Australian Black Opal Pear Cabochon Stone Clarity: Opaque Gemstones: Australian Opal Carat Weights: 17.72 Size/Dimensions: 27.00 x 10.80 x 5.50 mm Nice Pear CobochoSee Sold Price
Sold20214.17 Ct Natural Ethiopian Black Fire Opal Oval CabTitle: 4.17 Ct Natural Ethiopian Black Fire Opal Oval Cab Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 4.17 Size/Dimensions: 14.80 x 10.50 x 6.10 mm Additional Information:See 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
May 23Winbids AuctionsWendy Yue Sculptural Ring In 18Kt Gold With 28.92 Ctw Black Opal Diamonds And TsavoritesUS$3,600
May 31Miami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail RingUS$9,300
May 24Treasure of Gems & JewelryNatural Multi-Color Flashing Boulder Opal 24.17 Ct. Free Form Cabochon GemstoneUS$1
May 22Elmwood'sAN OPAL AUSTRALIA BROOCH designed as the outline of Australia, set to the centre with a fancy shaped£900
13 hrs LeftGolden Gate AuctioneerJennifer Meyer 18K Yellow Gold Diamond Blue Boulder Opal Evil Eye Pendant NecklaceUS$3,900