Sold202415.3 Carats of Australian Black Boulder Opal3.06 grams or 15.3 carats. 1/2" by 5/8".See Sold Price
Sold20249.8 Carats of Australian Black Boulder Opal1.95 grams or 9.8 carats. 3/4" by 1/4"See Sold Price
Sold20247.2 Carats of Australian Black Boulder Opal1.45 grams or 7.2 carats. 1/2" by 3/8"See Sold Price
Sold202412.6 Carats of Australian Black Boulder Opal2.50 grams or 12.6 carats. 1" by 3/8".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
Sold202319Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon28x17x4mm Weight: 19 CaratSee Sold Price
Sold2021Australian Black Opal Certified- 4.57 ctTitle: Australian Black Opal Certified- 4.57 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 4.57 ct Size/Dimensions: 19.57 x 12.48 x 2.81 mm Additional Information: NatuSee Sold Price
Sold202347.5Ct Himalayan Tibetan Etched Black Agate DZi Bead Asian Art CarvingDimension: 19.4x18.6mm 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
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
Sold2021Black Opal Platinum Diamond Ring2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VSSee 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
Sold2024Lot of 2 Australian Lightning Ridge Black Opal and Boulder Opal Rough JarsLot of 2 Australian Lightning Ridge Black Opal and Boulder Opal Rough JarsSee Sold Price
Sold2024950PT 6.539CTTW BLACK OPAL & EM. & SAP. RING, 6.75950-purity platinum ring with a 6.339-carat cabochon-cut black Australian opal center stone accented by 0.14 carats of round-cut emeralds and 0.06 carats of round-cut sapphires. Stamped 6.339, 0.14, 0See Sold Price
Sold20215.19 Ct Natural Ethiopian Black Fire Opal Oval CabTitle: 5.19 Ct Natural Ethiopian Black Fire Opal Oval Cab Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 5.19 Size/Dimensions: 14.90 x 11.40 x 6.50 mm Additional Information: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
22 hrs LeftKsmith Jewels Global6.17Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon$10
22 hrs LeftKsmith Jewels Global4.14Ct Koroit Boulder Opal Polished - Australian Opal - Pear Cabochon$10
22 hrs LeftKsmith Jewels Global9.19Ct Koroit Boulder Opal Polished - Australian Opal - Oval Cabochon$15
22 hrs LeftKsmith Jewels Global10.82Ct Koroit Boulder Opal Polished - Australian Opal - Oval Cabochon$45
22 hrs LeftKsmith Jewels Global9.55Ct Koroit Matrix Boulder Opal Polished - Australian Opal - Oval Cabochon$45
7 days LeftHeritage Auctions55132: J. Aragon Black Opal, Diamond, Gold Pendant Sto$3,400
7 days LeftHeritage Auctions55288: Black Opal, Diamond, Gold Ring Stones: Black op$3,400
Oct 05Treasure of Gems & JewelryNatural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From Australia$1(1 bid)
22 hrs LeftKsmith Jewels Global2.42Ct Koroit Boulder Opal Polished - Australian Opal - Oval Cabochon$10
22 hrs LeftKsmith Jewels Global3.18Ct Winton Boulder Opal Polished - Australian Opal - Oval Cabochon$15
22 hrs LeftKsmith Jewels Global2.98Ct Koroit Boulder Opal Polished - Australian Opal - Oval Cabochon$10