Sold6.9 Carats Australian Boulder Opal CollectionThis is a collection of Australian Boulder Opal cabochons. These cabochons were mined in the Australian Outback of Queensland. Each one shows excellent diffraction and outstanding color. The AustraliaSee Sold Price
Sold12.1 Carats Australian Boulder Opal CollectionThis a collection of Australian Boulder Opal cabochons. The opals were mined in the Outback of Queensland. They have been professionally cut and polished. Each cabochon shows wonderful flash with coloSee Sold Price
Sold5.5 Carats Australian Boulder OpalThis is a collection of three Australian Boulder Opal stones. They were mined in the Outback of Queensland. Each stone shows excellent diffraction with great colors. They have been cut and polished. TSee Sold Price
Sold3.5 Carats Australian Boulder OpalThis is a collection of three Australian Boulder Opal stones. They were mined in the Outback of Queensland. Each stone shows excellent diffraction with great colors. They have been cut and polished. TSee Sold Price
Sold12.2ct Australian Boulder Opal Cabochon CollectionThis is a collection of 12.2 carats of Australian Boulder Opals. These opals were mined in the Outback of Australia. They have been professionally cut and polished to shows excellent colors of red, blSee Sold Price
Sold12.2ct Australian Boulder Opal Cabochon CollectionThis is a collection of 12.2 carats of Australian Boulder Opals. These opals were mined in the Outback of Australia. They have been professionally cut and polished to shows excellent colors of red, blSee Sold Price
Sold33Ct 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
Sold34.5Ct 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
26Ct 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
38Ct 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
Sold243.5Ct Collection Of Amber Fossil Rough SpecimenDimension: 69.2x45.2mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustraliSee Sold Price
SoldCollection of Polished OpalsA mixed croup of eight freeform polished Australian opals, including a triplet and pieces of boulder opal. 20 grams, 15-34 mm, 102.2 carats total. (1/2 - 1 1/4"). Ex Douglas Rose collection. [8, No ReSee Sold Price
GRS Certified 5.68 Cts Natural Boulder Opal Brown and violet ColorProduct Type: Natural Boulder Opal Product Code: O568 Piece(s): 1 Weight: 5.68 Carats Color: Brown and Violet Transparency: Opaque Shape: Oval polished Size: 15.69 x 9.94 x 3.79 mm Treatment: No indicSee Sold Price
Sold210ct. Australian Boulder Opal CollectionThis is a collection of Australian Boulder opal. These were mined in the Outback of Australia and have been professionally cut and polished. Each one shows vibrant colors of blue, red, green, purple aSee Sold Price
Sold9.0 Carats Australian Boulder OpalThis is a pair of Australian Opal cabochons. They were mined in the Australian Outback of Queensland. Each cabochon displays excellent diffraction and shows brilliant blue, green and purple colors. EaSee Sold Price
SoldRough Cut Australian Boulder Opal CollectionThis is a collection of rough cut Australian Boulder Opal. The opal was mined in the Outback of Australia. Each piece is in good condition and shows rich veins filled with colorful opal in blue, purplSee Sold Price
SoldRough Cut Large Australian Boulder Opal CollectionThis is a collection of five large rough cut Australian Boulder Opals. These were mined in the Outback of Australia. Each piece shows multiple veins of deep, rich colors of blue, red, green, pink, andSee Sold Price
Sold55ct. Australian Boulder Opal CollectionThis is a collection of Australian Boulder Opals. These opals were mined in the Outback of Queensland in Australia. Each one shows great diffraction with deep, rich color. They are all in good conditiSee Sold Price
Sold752ct. Australian Boulder Opal CollectionThis is a collection of Australian Boulder opals. These were mined in the Outback of Queensland in Australia. There are over 60 pieces in this collection, the majority of which shows fantastic color aSee Sold Price
SoldAustralian Boulder Opal CollectionThis is an Australian Boulder Opal collection. The opal stones were mined in the Outback of Queensland and have been professionally cut and polished. The opal shows very good diffraction with deep, riSee Sold Price
Sold97cts. Australian Boulder Opal CollectionThis is a collection of Australian Boulder Opals. These opals were mined in the Outback of Queensland in Australia. Each one shows great diffraction with deep, rich color. They are all in good conditiSee Sold Price
Sold99cts. Australian Boulder Opal CollectionThis is a collection of Australian Boulder Opals. These opals were mined in the Outback of Queensland in Australia. Each one shows great diffraction with deep, rich color. They are all in good conditiSee Sold Price
Sold2.0 Carats Australian Boulder OpalThis is an Australian Boulder Opal cabochon. The stone was mined in the Outback of Queensland. It shows excellent diffraction with beautiful pink, green, and purple colors. The opal stone is in very gSee Sold Price
Sold2.5 Carats Australian Boulder OpalThis is an Australian Boulder Opal cabochon. The stone was mined in the Outback of Queensland. It shows excellent diffraction with beautiful pink, green, and purple colors. The opal stone is in very gSee Sold Price
22.92 ct Australian Boulder Opal Gemstone CabochonConnoisseur Auctions3.9(337)See Sold PriceFeb 24, 2024
Natural History - Natural Australian Opal Specimen.TimeLine Auctions Ltd.4.6(184)See Sold PriceMar 08, 2024
8.92ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
5.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
16.41ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
19.85ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
2.95ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
12.30ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
10.46ct LOOSE CABOCHON NATURAL AUSTRALIAN BOULDER OPALModern Jewelry4.5(186)See Sold PriceFeb 25, 2024
Free shape Boulder Opal doublet, weight 1.69 ctsOmni Auction House Corp4.6(90)See Sold PriceFeb 29, 2024
18K Yellow Gold Australian Crystal Opal & Diamond Ring 10.5gMynt Auctions4.6(711)See Sold PriceFeb 26, 2024
14K Rose Gold Pear Shaped Australian Opal Diamond Ring3 Kings Auction4.1(205)See Sold PriceFeb 24, 2024
Plated Rhodium 1.69ct Opal and Multi Color Gemstone Ring1 Great Deal Auctions 4.6(270)See Sold PriceMar 09, 2024
Plated Rhodium 1.69ct Opal and Multi Color Gemstone Ring1 Great Deal Auctions 4.6(270)See Sold PriceFeb 25, 2024
14K Rose Gold Pear Shaped Australian Opal Diamond RingGolden Air Auctions4.3(267)See Sold PriceFeb 24, 2024
Vintage 14k Gold Bead Cabochon Prong Australian Opal Domed Bombe Statement RingFederal Assets Auctioneers4.4(413)See Sold PriceFeb 24, 2024
8.69 Carat Natural Fancy Yellow And White Diamond PendantGolden Air Auctions4.3(267)See Sold PriceFeb 26, 2024
10.77 ctw Certified Opal & Diamond Victorian Necklace 14K White Gold3 Kings Auction4.1(205)See Sold PriceFeb 24, 2024
Vintage 14K Yellow Gold Australian Opal & Diamond Halo Pendant, Necklace.Intervendue4.5(71)See Sold PriceMar 12, 2024
