3.17 Ct Natural Black Flashing Fire "Midnight Spark" Opal Oval CabGems Auction4.6(406)$1(1 bid)12 hrs Left
Natural Blue Sapphire 5.70 Ct. Oval Shape 10.8 x 8.7 Mm Gemstone from MadagascarTreasure of Gems & Jewelry4.4(213)$1Feb 15, 2026
Natural Blue Sapphire 7.84 Ct. Oval Shape 12.7 x 10.3 Mm Gemstone from MadagascarTreasure of Gems & Jewelry4.4(213)$1(1 bid)2 days Left
Natural Blue Sapphire 17.34 Ct. Oval Cabochon Shape 15.7 x 11.8 Mm Gemstone From MadagascarTreasure of Gems & Jewelry4.4(213)$1Feb 08, 2026
Natural Blue Sapphire 5.93 Ct. Oval Cabochon Shape 12.8 x 9 Mm. Gemstone From MadagascarTreasure of Gems & Jewelry4.4(213)$1Feb 15, 2026
Natural Blue Sapphire 1.53 Ct. Oval Shape 7.5 x 6.2 Mm. Gemstone From ThailandTreasure of Gems & Jewelry4.4(213)$12 days Left
Sold19.25 ct Australian Doublet OpalNo Reserve! Title: 19.25 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 19.25 Size/Dimensions: 23.95 x 15.95 x 6.25 Additional Information: Oval - ASee Sold Price
Sold17.66 ct Australian Doublet OpalNo Reserve! Title: 17.66 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 17.66 Size/Dimensions: 24.40 x 16.10 x 5.25 Rectangular - Australia ShippingSee Sold Price
Sold26.44 ct Australian Doublet OpalNo Reserve! Title: 26.44 ct Australian Doublet Opal Color/Clarity: Opaque Carat Weight: 26.44 Dimensions: 23.45 x 18.55 x 6.50 Additional Information: Cushion - Australia Shipping: Domestic: Flat-ratSee Sold Price
25.36 ct Australian Doublet OpalNo Reserve! Title: 25.36 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $25 Size/Dimensions: 30.80 x 13.50 x 6.95 Additional Information: RectangulaSee Sold Price
Sold7.84 ct Australian Doublet OpalNo Reserve! Item: 7.84 ct Australian Doublet Opal Color/Clarity: Opaque Loose gemstone Carat Weight: 7.84 Size/Dimensions: 16.00 x 12.10 x 5.40 Oval - Australia Shipping: Domestic: Flat-rate of $10.00See Sold Price
Sold27.85 ct Australian Doublet OpalNo Reserve! Title: 27.85 ct Australian Doublet Opal Color/Clarity: Opaque Gemstones: Loosegemstone Carat Weights: 27.85 Size/Dimensions: 20.20 x 22.00 x 6.40 Additional Information: Rectangular - AustSee Sold Price
Sold23.50 ct Australian Doublet OpalNo Reserve! Title: 23.50 ct Australian Doublet Opal Color/Clarity: Semi Transparent Carat Weight: 23.5 Size/Dimensions: 21.65 x 20.60 x 6.60 Additional Information: Round - Australia Shipping: DomestiSee Sold Price
Sold17.30 ct Australian Doublet OpalNo Reserve! Title: 17.30 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Gemstones Carat Weights: 17.3 Size/Dimensions: 25.15 x 15.65 x 5.25 Additional Information: Oval - AustraSee Sold Price
Sold33.45 ct Australian Doublet OpalNo Reserve! Title: 33.45 ct Australian Doublet Opal Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 33.45 Size/Dimensions: 29.80 x 24.90 x 7.90 Oval - Australia Shipping: International: FSee Sold Price
Sold26.90 ct Australian Doublet OpalNo Reserve! Title: 26.90 ct Australian Doublet Opal Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 26.9 Size/Dimensions: 23.70 x 20.05 x 6.45 Additional Information: RectangulSee Sold Price
Sold9.7 ct Australian Black Opal DoubletTitle: 9.7 ct Australian Black Opal Doublet Gemstones: Opal Doublet Carat Weights: 9.7 Size/Dimensions: 21.6 mm x 16.9 mm x 3.7 mm Additional Information: Doublet Reserve: $250.00 Shipping: Domestic:See Sold Price
Sold5.18 ct Australian Black Opal DoubletTitle: 5.18 ct Australian Black Opal Doublet Gemstones: Opal Doublet Carat Weights: 5.18 Size/Dimensions: 21 mm x 15 mm x 4 mm Additional Information: Doublet Reserve: $200.00 Shipping: DomestSee Sold Price
SoldAustralian Doublet Opal 22.50 ctNo Reserve! Title: Australian Doublet Opal 22.50 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $23 Size/Dimensions: 22.40 x 17.70 x 7.70 Additional Information: RectangulaSee Sold Price
SoldAustralian Doublet Opal 5.80 ctNo Reserve! Title: Australian Doublet Opal 5.80 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 5.8 Size/Dimensions: 14.00 x 10.00 x 5.50 Additional Information: Oval - AustSee Sold Price
SoldAustralian Doublet Opal 23.45 ctNo Reserve! Title: Australian Doublet Opal 23.45 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 23.45 Size/Dimensions: 26.05 x 11.75 x 5.55 Rectangular - Australia Shipping: WorldwideSee Sold Price
SoldAustralian Doublet Opal 16.72 ctNo Reserve! Title: Australian Doublet Opal 16.72 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 16.72 Size/Dimensions: 20.20 x 16.50 x 7.40 Additional Information: Oval - ASee Sold Price
SoldAustralian Doublet Opal 12.85 ctNo Reserve! Title: Australian Doublet Opal 12.85 ct Color/Clarity: Semi Transparent Loose gemstone Carat Weights: 12.85 Size/Dimensions: 24.90 x 16.00 x 4.75 Oval - Australia Shipping: Worldwide: FlatSee Sold Price
SoldAustralian Doublet Opal 17.10 ctNo Reserve! Title: Australian Doublet Opal 17.10 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 17.1 Size/Dimensions: 23.07 x 17.30 x 8.20 Additional Information: Oval - AuSee Sold Price
SoldAustralian Doublet Opal 15.50 ctNo Reserve! Title: Australian Doublet Opal 15.50 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: 15.5 Size/Dimensions: 21.00 x 17.50 x 8.20 Additional Information: Oval - AuSee Sold Price
SoldAustralian Doublet Opal 7.55 ctNo Reserve! Title: Australian Doublet Opal 7.55 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 7.55 Size/Dimensions: 16.10 x 12.10 x 5.40 Oval - Australia Shipping: Worldwide: Flat-raSee Sold Price
SoldAustralian Doublet Opal 6.95 ctNo Reserve! Title: Australian Doublet Opal 6.95 ct Color/Clarity: Semi Transparent Loose gemstone Carat Weights: 6.95 Size/Dimensions: 19.10 x 11.35 x 3.85 Oval - Australia Shipping: Worldwide: Flat-rSee Sold Price
SoldAustralian Doublet Opal 17.19 ctNo Reserve! Title: Australian Doublet Opal 17.19 ct Color/Clarity: Semi Transparent Carat Weight: 17.19 Dimensions: 27.90 x 14.70 x 6.30 Additional Information: Fancy - Australia Shipping: Domestic:See Sold Price
SoldAustralian Doublet Opal 5.49 ctNo Reserve! Title: Australian Doublet Opal 5.49 ct Color/Clarity: Semi Transparent Loosegemstone Carat Weights: 5.49 Size (mm): 14.23 x 11.35 x 3.39 Rectangular - Australia Shipping: Worldwide: Flat-rSee Sold Price
SoldAustralian Doublet Opal 17.55 ctNo Reserve! Title: Australian Doublet Opal 17.55 ct Color/Clarity: Semi Transparent Gemstones: Loosegemstone Carat Weights: $18 Size/Dimensions: 22.63 x 16.19 x 6.72 Additional Information: RectangulaSee Sold Price