Australian Black Opal Certified - 4.02 ct

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

Item: Lightning Ridge Black Opal - 3.15 ct Metal Purity: Natural , Certified Gemstones: Opal Carat Weights: 3.15 ct Size/Dimensions: 15.00 x 11.82 x 3.28 mm "Natural Australian Lightning Ridge Black O

Title: Lightning Ridge Australian Black Opal Certified - 1.45 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.45 ct Size/Dimensions:10.35 x 7.86 x 2.94 mm Additional In

Title: Lightning Ridge Australian Opal Certified - 1.33 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.85 x 6.89 x 3.01 mm Additional Informa

Title: Australian Opal Certified - 2.30 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 2.30 ct Size/Dimensions: 10.68 x 8.53 x 4.08 mm Additional Information: Natural Ce

Title: Lightning Ridge Australian Opal Certified - 1.01 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.01 ct Size/Dimensions: 9.33 x 8.04 x 1.99 mm Additional Informat

Title: Lightning Ridge Australian Opal Certified - 1.66 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.66 ct Size/Dimensions: 10.11 x 8.22 x 3.27 mm Additi

Title: Australian Opal Certified - 2.15 ct Purity: Natural, Certified Gemstone: Australian Opal Carat Weight: 2.15 ct Size/Dimensions: 12.77 x 8.86 x 3.03 mm Additional Information: Natural Certified

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 Opal Certified - 1.33 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.51 x 8.22 x 2.48 mm Additi

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: 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

CAPTIVATING 4.60 CT CERTIFIED ELECTRIC FLASHING BLACK OPAL. CAB CUT MEASURING 10.51 x 13.78 x 6.50 mm. STUNNING INTERNAL ELECTRIC GREEN FLASHING WITH GOLD AND RED HIGHLIGHTS EXTREME SPARRKLE AND RADIA

No Reserve! Item: 2.2 ct Australian Black Opal Loose Gemstone: Opal Carat Weights: 2.2 Size/Dimensions: 14 mm x 7 mm x 2.5 mm Natural Australian Lighting Ridge Black Opal No Reserve: This lot starts a

No Reserve! Title: 26.87 Ct Genuine Australian Black Opal 30X9 mm Cushion Cab Stone Clarity: Opaque Gemstones: Australian Opal Carat Weights: 26.87 Size/Dimensions: 30.00 x 8.90 x 5.0 mm Nice Cushion

Weight - 2.64 Ct / Size - 13.20 x 9.60 x 4.50 mm / Shape - Oval Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

No Reserve! Title: 3.25 Ct Natural Australian Black Opal Oval Cabochon Stone Clarity: Opaque Gemstone: Natural Australian Opal Carat Weight: 3.25 Size/Dimensions: 12.80 x 8.50 x 3.50 mm Additional Inf