Sold202333Ct Box of Five Australian Koroit Yowah Boulder Opal Cabochon20x13mm Weight: 33 carats (Before Packing) Thousand Planet Auction House Season 4: Ten2Go August Collection Auction. A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "wareSee Sold Price
202326Ct Box of Five Australian Koroit Yowah Boulder Opal Cabochon18x11mm Weight: 26 carats (Before Packing) Thousand Planet Auction House Season 4: Ten2Go August Collection Auction. A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "wareSee Sold Price
Sold202334.5Ct Box of Five Australian Koroit Yowah Boulder Opal Cabochon19x13mm Weight: 34.5 carats (Before Packing) Thousand Planet Auction House Season 4: Ten2Go August Collection Auction. A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "waSee Sold Price
202338Ct Box of Four Australian Koroit Yowah Boulder Opal Cabochon21x15mm Weight: 38 carats (Before Packing) Thousand Planet Auction House Season 4: Ten2Go August Collection Auction. A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "wareSee 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
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
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
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
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
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
2 days LeftThousand Planet Auction HouseGroup of 9 Australian Winton Matrix Boulder Opal Cabochons$10
Featured6 days LeftLilly M. JEWELERS5.2 Ct. Crystal Australian Opal and Diamond Halo Ring in 18K White Gold$100(1 bid)
5 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 3.22 Ct. Free Form Cabochon Gemstone From Australia$1
5 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 10.60 Ct. Free Form Cabochon Shape 22 x 11.4 Mm. Gemstone$1
5 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 11.88 Ct. Free Form Cabochon Shape Gemstone From Australia$1
1 day LeftElmwood'sNO RESERVE - A COLLECTION OF LOOSE GEMSTONES comprising a pair of cabochon star rubies, total weight£180
Jun 08Treasure of Gems & JewelryNatural Opal Multi Color Flashing Boulder 2.68 Ct. Free Form Cabochon Gemstone From Australia$1
Featured6 days LeftLilly M. JEWELERSOpal Grape with Diamond Emerald Vintage Style Drop Earrings in 18K White Gold$100(1 bid)