Sold2017Carved Boulder Opal FrogCarved boulder opal model of a frog; with inlaid eyes; L: 3 1/2" (approx.)See Sold Price
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
Jun 15Treasure of Gems & JewelryMulti Color Flashing Boulder Opal 1.35 Ct. Natural Gemstone Free Form CabochonUS$1
Jun 22Treasure of Gems & JewelryNatural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. GemstoneUS$1
Jun 13BonhamsWILHELM SCHMIDT: AN EXCEPTIONAL BOULDER OPAL, GEM-SET AND HARDSTONE BUST, CIRCA 1890£40,000
Jun 15Treasure of Gems & JewelryMulti Color Flashing Boulder Opal 3.49 Ct. Free Form Cabochon Natural Gemstone From AustraliaUS$1
Jun 22Treasure of Gems & JewelryBoulder Opal Multi Color Flashing 8.60 Ct. Free Form Cabochon Natural Gemstone From AustraliaUS$1
3 days LeftTreasure of Gems & JewelryNatural Opal Multi Color Flashing Boulder 2.68 Ct. Free Form Cabochon Gemstone From AustraliaUS$1
Jun 22Treasure of Gems & JewelryNatural Multi Color Opal Sparkling Matrix Boulder Free Form Cabochon 3.35 Ct. Gemstone FromUS$1
1 day LeftSeized Assets AuctioneersAntique Victorian Custom 6 Gold Silver Stick Pin Bundle Pearl & Gemstone BroochUS$1