Sold2017Carved Boulder Opal FrogCarved boulder opal model of a frog; with inlaid eyes; L: 3 1/2" (approx.)See Sold Price
Sold202314.5Ct Natural Loose Australian Koroit Yowah Boulder Opal CabochonDimension: 25x18mm 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 Australian LSee Sold Price
Sold202314.5Ct Natural Loose Australian Koroit Yowah Boulder Opal Cabochon23x19x4mm Weight: 14.5 CaratSee 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
2 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. Gemstone$1
2 days LeftTreasure of Gems & JewelryNatural Multi - Color Boulder Flashing 21.40 Ct. Free Form Cabochon Shape 31 x 16 Mm. Gemstone From$1(1 bid)
Featured6 days LeftBill Hood & Sons Art & Antique AuctionsSerpentine Sculpture of Two Frogs on a Rock Formation, 20th Century - A highly detailed carved$375
2 days LeftTreasure of Gems & JewelryvMulti-Color Opal 3.19 Ct. Oval Cabochon Shape 16.6 x 9.8 Mm. Unheated Gemstone From Ethiopia$1