Sold2021Opal, Queensland, Australia,Opal, Queensland, Australia, cut to two sides and polished on one, dimensions (cm) 7.7 x 7.7 x 6.3See Sold Price
Sold202227.25ct Autralian Yowah Opal Gemstone27.25ct Australian Yowah Opal cabochon gemstone. Electric fire stone with blue, red, gold & purple flash. Nice high polish, jeweler's stone. Yowah opal fields, Queensland Australia origin stone 26 x 1See Sold Price
Sold202217ct Koroit Australia Boulder Opal Gemstone17ct Australian Boulder Opal gemstone. ( 20x15x6mm ) Koroit opal fields, Queensland Australia origin stone. All natural, solid, untreated opal gemstone with a fantastic pattern. Very well polished onSee Sold Price
Sold2021Cts 15.25 Natural Australian Boulder Opal -25x13x5mmMineral : Natural Australian Boulder OpalDimensions: mm 25x13x5 Weight: Cts. 15.25 Origin (Region/ City):Quilpie, QLD, Origin (Country):Australia The Yowah opal field located in Queensland Australia iSee Sold Price
Sold2021Cts 7.0 Natural Australian Opal - 23×15×2 mmMineral: Natural Australian Boulder Opal Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgrounds in order to depict the item as reaSee Sold Price
Sold20234.92ctw Matched Pair, Australian Fairy Opals4.92 ctw Matched Pair Australian Fairy Opals, rounded square cabochons with blue, black & green colors. Natural precious opal embedded in sandstone. Mined in Queensland, Australia and has been carboniSee Sold Price
Sold202213.2ct Koroit Teardrop Opal Cabochon Gemstone13.2ct Australian Koroit Opal Gemstone. Teardrop, pear shaped cabochon with a fantastic pattern. Koroit fields, Queensland Australia origin gemstone. Ready to be set into a gorgeous pendant. 18 1/2 XSee Sold Price
Sold2024Group of 2 Fine Polished Koroit Yowah Matrix Boulder OpalPresenting a duo of exquisite Koroit Yowah matrix boulder opals, these specimens showcase the spectacular beauty native to Queensland, Australia. Their fine polish reveals a dazzling array of colors aSee Sold Price
Sold2024Group of 2 Fine Polished Koroit Yowah Matrix Boulder OpalPresenting a duo of exquisite Koroit Yowah matrix boulder opals, these specimens showcase the spectacular beauty native to Queensland, Australia. Their fine polish reveals a dazzling array of colors aSee Sold Price
Sold2024A Trio of Natural Koroit Boulder Opals, 99Ct, Direct from Queensland MinesThis lot features three natural Koroit Boulder Opals, summing up to 99 carats, with the largest specimen measuring 28 x 18 x 12 mm. Harvested from the renowned mines of Queensland, Australia, each rouSee Sold Price
Sold201796ct. Australian Boulder Opal Cabochon CollectionThis is a collection of Australian Boulder Opal cabochons. The opal was mined in the Outback of Queensland in Australia. Each one shows fantastic flash and colors of blue, green, red, purple and pink.See Sold Price
Sold2017138ct. Australian Boulder Opal Cabochon CollectionThis is a collection of Australian Boulder Opal cabochons. The opal was mined in the Outback of Queensland in Australia. Each one shows fantastic flash and colors of blue, green, red, purple and pink.See Sold Price
Sold2021Cts 68.65 Natural Australian Opal - 36×33×7 mm -Mineral :Natural Australian Boulder Opal Dimensions:36×33×7 mm Weight:13.73Cts Origin (Region/ City):Yowah, Queensland Origin (Country):Australia The Yowah opal field located in Queensland AustraliaSee Sold Price
Sold2021Cts 53.40 Natural Australian Boulder Opal - 30x26x6 mmMineral : Natural Australian Boulder Opal Dimensions:30x26x6 mm Weight:53.40 Cts Origin (Region/ City):, Queensland Origin (Country): Australia Pictures taken with high resolution camera on differSee Sold Price
Sold2021Cts.40.70 Natural Australian Boulder Opal -Mineral: Natural Australian Boulder Opal Dimensions:31x29x7 mm Weight:40.70 cts Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgroSee Sold Price
Sold2021Cts.24.60 Natural Australian Boulder Opal -Mineral: Natural Australian Boulder Opal Dimensions:32x20x6 mm Weight:24.60 Cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgrSee Sold Price
Sold2021Cts. 40.25 Natural Australian Boulder Opal -Mineral: Natural Australian Boulder Opal Dimensions:27x20x9 Weight:40.25 cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgrounSee Sold Price
Sold2021Cts.52.40 Natural Australian Boulder Opal -Mineral : Natural Australian Boulder Opal Dimensions:39x18x9 mm Weight:52.40 cts Origin (Region/ City):, Queensland Origin (Country): Australia Pictures taken with high resolution camera on differSee Sold Price
Sold2021Cts.52.80 Natural Australian Boulder Opal -Mineral: Natural Australian Boulder Opal Dimensions:40x20x8 mm Weight:52.80 Cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgrSee Sold Price
Sold2020ring, GG 750/000, central boulder opal (Australia),ring, GG 750/000, central boulder opal (Australia), very fine quality with intensive blue - and bright green color, at the side 7 brilliants c. 0.60 ct tw-vsi/si, ring head c. 22.8 x 18.0 mm, ring shaSee Sold Price
Sold2021pendant, yellow gold 585/000, boulder opal (Australia),pendant, yellow gold 585/000, boulder opal (Australia), upper half of the opal mainly with red color shades, lower half mainly with green and blue color shades, height = 40.3 mm, total c. 5.12 gSee Sold Price
Sold20232 Early Fighting/Throwing Clubs, Aboriginal, North East Queensland, Australia, 19th/Early 20th C.2 Early Fighting/Throwing Clubs, Aboriginal, North East Queensland, Australia, 19th/Early 20th C. One deep black the other rich red color of dense hardwood, with sharpened lead point with abundant incSee Sold Price
Sold20222.53ct LOOSE OVAL CABOCHON NATURAL SEMI BLACK OPAL AUSTRALIA2.53ct NATURAL BLACK OPAL Natural Untreated semi-black opal Australian opal 2.53ct Measures 15mm x 8.3mm x 2.9mm Beautiful green purple flashing colors, nicer in person, camera doesn't pick up the beaSee Sold Price
Sold2019GFCO (Swiss) Certified 2.92 ct. Black OPAL - AUSTRALIAOCTOBER - TOURMALINE & OPAL Opal & Tourmaline have become the staple birthstones of October. Opal and Tourmaline are both some of the most beautiful and untraditional of all gemstones.See Sold Price
2 days LeftThousand Planet Auction HouseLot of 3 Exquisite Boulder Opals from Winton Mine, Queensland, Australia$5
3 days LeftTreasure of Gems & JewelryNatural Multi-Color Flashing Boulder Opal 24.17 Ct. Free Form Cabochon Gemstone$1
Jun 01Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 3.22 Ct. Free Form Cabochon Gemstone From Australia$1
Jun 01Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 10.60 Ct. Free Form Cabochon Shape 22 x 11.4 Mm. Gemstone$1
Jun 01Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 11.88 Ct. Free Form Cabochon Shape Gemstone From Australia$1
1 day LeftElmwood'sAN OPAL AUSTRALIA BROOCH designed as the outline of Australia, set to the centre with a fancy shaped£900
2 days LeftDawsons AuctioneersA white metal ingot stamped "99.9% fine silver", further elaborate with the inscription "Mined at£280
May 28A & A Auction Gallery14K Yellow Gold Australian Opal Ring w/ Receipt - Sz 7.5 , Beautiful Color Opal Ring w/ 1998 Receipt$690
16 hrs LeftJasper526.60ct natural Australian opals diamond bangle cocktail bracelet 14kt Vintage$1,800
Jun 02TOISHINSEI Co., Ltd.Australian Opal Pearl Pendant Necklace Sweater Chain Retro Versatile$50(1 bid)
3 hrs LeftFederal Assets AuctioneersEstate 14k Gold Oval Cabochon Bezel Australian Opal Solitaire Pendant Necklace$1(1 bid)