Opal Certified - 3.78 ct

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 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 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: 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 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: Opal Certified - 9.24 ct Brand: None Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 9.24 ct Size/Dimensions: 18.32 x 12.60 x 8.01 mm Additional Information: Natural Certified O

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: Opal Certified - 4.55 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 4.55 ct Size/Dimensions: 14.19 x 9.79 x 6.29 mm Additional Information: Natural Opal oval cabochon certi

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: Opal Certified - 3.56 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 3.56 ct Size/Dimensions: 12.47 x 9.83 x 5.73 mm Additional Information: Natural Opal oval cabochon certi

Title: Opal Certified - 7.52 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 7.52 ct Size/Dimensions: 18.36 x 11.39 x 7.61 mm Additional Information: Natural Certified Opal oval cab

Title: Opal Certified - 4.21 ct Brand: None Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 4.21 ct Size/Dimensions: 11.53 x 11.48 x 5.81 mm Additional Information: Natural Certified O

Title: Opal Certified - 6.13 ct Brand: None Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 6.13 ct Size/Dimensions: 17.04 x 11.09 x 6.69 mm Additional Information: Natural Opal Certif

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: Opal Certified - 5.03 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 5.03 ct Size/Dimensions: 15.74 x 10.62 x 6.17 mm Additional Information: Natural Opal oval cabochon cert

Title: Opal Certified - 7.38 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 7.38 ct Size/Dimensions: 16.88 x 13.47 x 7.36 mm Additional Information: Natural Certified Opal oval cab

Title: Opal Certified - 5.66 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 5.66 ct Size/Dimensions: 14.52 x 9.93 x 5.60 mm Additional Information: Natural Certified Opal oval cabo

Title: Opal Certified - 5.91 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 5.91 ct Size/Dimensions: 15.11 x 10.16 x 7.03 mm Additional Information: Natural Opal oval cabochon cert

Title: Opal Certified - 4.21 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 4.21 ct Size/Dimensions: 11.53 x 11.48 x 5.81 mm Additional Information: Natural Certified Opal square c

Title: Fire Opal Certified - 4.56 ct Metal Purity: Natural, Certified Gemstones: Fire Opal Carat Weights: 4.56 ct Size/Dimensions: 20.16 x 9.40 x 5.68 mm Additional Information: Natural certified Fire

Title: Opal Certified- 7.24 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 7.24 ct Size/Dimensions: 15.08 x 13.56 x 9.11 mm Additional Information: Natural Certified opal pear cabo

Title: Opal Certified - 4.21 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 4.21 ct Size/Dimensions: 10.42 x 16.06 x 5.14 mm Additional Information: Natural Certified Opal oval cab

Reserve Reduced! Title: Opal Certified- 8.58 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 8.58 ct Size/Dimensions: 16.90 x 12.08 x 8.43 mm Additional Information: Natural Certifi

Title: Opal Certified - 4.81 ct Metal Purity: Natural, Certified Gemstones: Opal Carat Weights: 4.81 ct Size/Dimensions: 14.89 x 10.50 x 5.66 mm Additional Information: Natural Certified Opal Oval Cab