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
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
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 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
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
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
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
Sold202324.65Ct Winton Boulder Opal Rough - Australia Rough Opal - RoughThousand Planet Auction House Welcome to our auction house, today auction brought to you by Leharlequin Co., Ltd based in Bangkok, Thailand specialize in all kinds of opal and color gemstone both in mSee Sold Price
Sold2024BUNDA "Hollywood" Opal Pendant with Box and PaperworkOpal Pendant made with 18K Gold. The Boulder Opal from Queensland is predomantly blue and green color. The Chain is makred BUNDA 750 - The Ring is 750 White Gold and Diamonds. Opeal Weight is 31.50 CtSee 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
Sold202110.69ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL10.69ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.69ct Measures 21.8mm x 14.3mmSee Sold Price
Sold202210.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPAL10.46ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.46ct Measures 16.5mm x 9.8mm Polished cabochon, beautifulSee Sold Price
Sold201777.6twc Australia Boulder Opal Sterling PendantExcellent well-crafted NEW piece including 51.3ct opalSee Sold Price
Sold201677.6twc Australia Boulder Opal Sterling PendantExcellent well-crafted NEW piece including 51.3ct opalSee Sold Price
Sold201772.15twc Australia Boulder Opal Sterling PendantExcellent well-crafted NEW piece including 49.2ct opalSee Sold Price
Sold2023Group of 7 Polished Australian Queensland Boulder Opal 43Ct 20.3x12.4x5.4mmThousand Planet Auction House Treasure Auction Day, all major kinds of Mineral, you will find in today's auctions. Join us and add our auction into your calendar. Today auction including Artifacts, MiSee Sold Price
4 days LeftThousand Planet Auction HouseLot of 3 Exquisite Boulder Opals from Winton Mine, Queensland, AustraliaUS$5
2 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 7.20 Ct. Gemstone Unheated From AustraliaUS$1
4 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 87Ct, Direct from Queensland MinesUS$5
4 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 99Ct, Direct from Queensland MinesUS$5
4 days LeftThousand Planet Auction HouseGroup of 2 Fine Polished Koroit Yowah Matrix Boulder OpalUS$5
4 days LeftThousand Planet Auction HouseGroup of 2 Fine Polished Koroit Yowah Matrix Boulder OpalUS$5
2 days LeftTreasure of Gems & JewelryNatural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From AustraliaUS$1
May 18Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 31.58 Ct. Free Form Cabochon Shape 37 x 23 Mm. GemstoneUS$1
4 days LeftThousand Planet Auction HouseA Gleaming Koroit Boulder Opal Cabochon, Contemporary Australian GemstoneUS$5
4 days LeftThousand Planet Auction HouseA Gleaming Koroit Boulder Opal Cabochon, Contemporary Australian GemstoneUS$5
4 days LeftThousand Planet Auction HouseA Collection of Australian Boulder Opal Rub Rough Specimens, Direct from Winton MineUS$5
4 days LeftThousand Planet Auction HouseA Collection of Australian Boulder Opal Rub Rough Specimens, Direct from Winton MineUS$5