Australian Black Opal (3x) Gemstones

Title: Australian Black Opal Gemstones: Opa; Carat Weights: 1.9 Size/Dimensions: 11.1 mm x 8.0 mm x 3.2 mm Additional Information: Sugar Treated Reserve: $55.00 Shipping: Domestic: Flat-rate of $5.00

Title: Australian Black Opal Gemstones: Opal Carat Weights: 1.2 Size/Dimensions: 11.0 mm x 7.0 mm x 2.2 mm Additional Information: Sugar Treated Reserve: $50.00 Shipping: Domestic: Flat-rate of $5.00

Title: 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:

Title: 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: Domest

Item: 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: No

Title: 26.98 ct natural Lightning Ridge Australian black opal Color/Clarity: opaque Gemstone Type: natural/untreated Carat Weights: 26.98 Size/Dimensions: 29.20 x 23.73 x 5.18 MM Origin: Australia Res

No Reserve! Title: 2.01 Ctw Natural Australian Black Opal Pear Cabochon Stone Clarity: Opaque Gemstones: Australian Opal Size/Dimensions: 2.01 Carat Weights: 9.00 x 7.30 x 3.70 mm Additional Informati

No Reserve! Title: 3.06 Ct Natural Australian Black Opal Trillion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 3.06 Size/Dimensions: 12.50 x 8.40 x 4.00 mm Addition

Title: 2.30 Ctw Natural Australian Black Opal Oval Cabochon Stone Clarity: Opaque Gemstones: Australian Opal Carat Weights: 2.3 Size/Dimensions: 13.60 x 5.70 x 3.00 mm Additional Information: Nice Ova

No Reserve! Title: 5.14 Ctw Natural Australian Black Opal Pear Cabochon Stone Clarity: Opaque Gemstones: Australian Opal Size/Dimensions: 5.14 Carat Weights: 17.70 x 8.90 x 3.90 mm Additional Informat

No Reserve! Title: 1.90 Ct Natural Australian Black Opal Trillion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 1.9 Size/Dimensions: 8.50 x 8.00 x 3.40 mm Additional

No Reserve! Title: 1.21 Ct Natural Australian Black Opal Cushion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 1.21 Size/Dimensions: 6.60 x 6.60 x 2.90 mm Additional

Title: Australian Black Opal - 1.75 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 1.75 ct Size/Dimensions: 11.00 x 8.20 x 2.85 mm Additional Information: Natural Australian Lightn

Title: Lightning Ridge Australian Black Opal - 1.15 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 1.15 ct Size/Dimensions: 8.10 x 7.70 x 2.90 mm Additional Information: Natural Au

Title: Lightning Ridge Australian Black Opal - 2.95 ct Metal Purity: Natural Gemstones: Australian Opal Carat Weights: 2.95 ct Size/Dimensions: 14.30 x 8.30 x 4.00 mm Additional Information: Natural A

Title: Australian Black Opal Certified - 4.02 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 4.02 ct Size/Dimensions: 12.17 x 12.02 x 3.63 mm Additional Information: Nat

Title: 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: Natu

Title: Lightning Ridge Australian Black Opal Certified- 2.68 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 2.68 ct Size/Dimensions: 11.43 x 8.56 x 4.30 mm Additional In

Title: Lightning Ridge Australian Black Opal Certified - 1.10 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.10 ct Size/Dimensions: 9.68 x 7.74 x 2.15 mm Additional In

Title: Lightning Ridge Australian Black Opal Certified - 1.28 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.28 ct Size/Dimensions: 9.63 x 7.29 x 2.86 mm A

Title: Lightning Ridge Australian Black Opal Certified- 1.12 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.12 ct Size/Dimensions: 9.13 x 7.50 x 2.74 mm Additional Inf

Title: 54.64 ct Lightning Ridge Australian black opal Color/Clarity: red,blue ,green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 54.64 Size/Dimensions: 47.17 x 26.22 x 6.43 MM Orig

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52