Sold2023GIT Certified Natural Boulder Opal 4.28 Cts White Color with play Of Color EffectProduct Type: Natural Boulder Opal Product Code: O0013 Piece(s): 1 Weight: 4.28 Carats Color: White With Play Of Color Effect Clarity: Opaque with natural inclusions. Shape: Rectangular Cushion Size:See Sold Price
Sold2023GIT Certified Natural Boulder Opal 1.73 Cts Black with play Of Color EffectProduct Type: Natural Boulder Opal Product Code: O0016 Piece(s): 1 Weight: 1.73 Carats Color: Black with Play Of Color Effect Clarity: Opaque with natural inclusions. Shape: Triangular polished Size:See Sold Price
Sold202270.44 ct Natural Boulder OpalNo Reserve! Title: 70.44 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 70.44 Size/Dimensions: 45.05 x 30.45 x 6.00 Additional Information: Oval - Australia ShippingSee Sold Price
Sold202337.38 ct Natural Boulder OpalNo Reserve! Title: 37.38 ct Natural Boulder Opal Color/Clarity: Brown / Opaque Gemstones: Boulder Opal Carat Weights: 37.38 Size/Dimensions: 32.80 x 18.70 x 8.50 Additional Information: Pear / AustralSee Sold Price
Sold201985.55 ct Natural Boulder OpalNo Reserve! Title: 85.55 ct Natural Boulder Opal Color/Clarity: Opaque Gemstones: Gemstones Carat Weights: 85.55 Size/Dimensions: 39.55 x 31.85 x 6.50 Additional Information: Oval - Australia ShippiSee Sold Price
4 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 99Ct, Direct from Queensland MinesUS$5
4 days LeftThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 87Ct, Direct from Queensland MinesUS$5
May 09Treasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 7.20 Ct. Gemstone Unheated From AustraliaUS$1
May 09Treasure of Gems & JewelryNatural Multi Color Opal Boulder 20.99 Ct. Swan Carving Size 31 x 22 Mm. Gemstone From AustraliaUS$1
2024Treasure of Gems & JewelryNatural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. GemstoneSee Sold Price
May 09Treasure of Gems & JewelryNatural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From AustraliaUS$1
4 days LeftThousand Planet Auction HouseGroup of 2 Fine Polished Koroit Yowah Matrix Boulder OpalUS$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 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 HouseGroup of 2 Fine Polished Koroit Yowah Matrix Boulder OpalUS$5