1.68 Ctw Natural Black Fire Opal Octagon Cut

No Reserve! Title: 1.68 Ctw Natural Black Fire Opal Octagon Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 1.68 Size/Dimensions: 16.10 x 7.10 x 2.70 mm Additional Information: S

Title: 1.72 Ctw Natural Ethiopian Black Fire Opal Octagon Cut Stone Clarity: Translucent Gemstone: Black Opal Carat Weights: 1.72 Size/ Dimensions: 10.10 x 6.90 x 4.70 mm Additional Info: Excellent Oc

No Reserve! Title: 1.68 Ctw Natural Black Fire Opal Pear Cabochon Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 1.68 Size/Dimensions: 11.30 x 7.10 x 4.60 mm Additional Information:

No Reserve! Title: 1.68 Ctw Natural Black Fire Opal Cushion Cab Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 1.68 Size/Dimensions: 8.10 x 8.00 x 4.60 mm Additional Information: Sh

Title: 3.74 Ctw Natural Multi-Color Fire Opal Octagon Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 3.74 Size/Dimensions: 13.40 x 9.80 x 5.80 mm Additional Information: Shape -

No Reserve! Title: 2.33 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 2.33 Size/Dimensions: 12.40 x 8.60 x 5.60 mm Additional Information: Shap

Title: 5.12 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 5.12 Size/Dimensions: 16.60 x 12.70 x 6.30 mm Additional Information: Shape - Oval Cu

Title: 2.37 Ctw Natural Multi-Color Fire Opal Octagon Cut Color/Clarity: Translucent Gemstone: Natural Opal Weight: 2.37 Dimensions: 11.80 7.00 x 9.10 mm Description: Shape - Octagon Cut / Color - Mul

Title: 3.44 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstone: Black Opal Carat Weights: 3.44 Size/ Dimensions: 14.30 x 10.60 x 5.00 mm Additional Info: Excellent Pear Cabochon

Title: 2.11 Ctw Natural Black Fire Opal Trillion Cut Stone Clarity: Translucent Gemstone: Natural Opal Carat Weight: 2.11 Size/Dimensions: 10.80 x 10.20 x 6.20 mm Additional Information: Shape - Trill

Title: 2.68 Ctw Natural Multi-Color Fire Opal Octagon Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 2.68 Size/Dimensions: 13.40 x 7.80 x 5.30 mm Additional Information: Shape -

Title: 2.07 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstone: Opal Carat Weights: 2.07 Size/ Dimensions: 11.30 x 8.60 x 5.30 mm Additional Info: Oval Cut / Black / Origin - Eth

Title: 3.12 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstone: Black Opal Carat Weights: 3.14 Size/ Dimensions: 13.10 x 10.00 x 4.90 mm Additional Info: Excellent Oval Cut / Bla

Title: 2.07 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstone: Natural Opal Carat Weight: 2.07 Size/Dimensions: 10.60 x 8.30 x 5.60 mm Additional Information: Shape - Oval Cut /

Title: 2.00 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstones: Opal Carat Weights: 2 Size/Dimensions: 13.20 x 9.00 x 4.00 mm Additional Information: Shape - Oval Cut / Color -

Title: 1.61 Ctw Natural Black Fire Opal Oval Cut Clarity: Semi - Transparent Gemstone: Natural Opal Carat Weight: 1.61 Dimensions: 11.60 x 7.30 x 4.10 mm Additional Information: Shape - Oval Cut / Col

Title: 1.90 Ctw Natural Black Fire Opal Oval Cut Clarity: Translucent Gemstone: Natural Opal Carat Weight: 1.90 Dimensions: 12.50 x 7.90 x 5.10 mm Additional Information: Shape - Oval Cut / Color - Bl

Title: 1.94 Ctw Natural Black Fire Opal Oval Cut Clarity: Translucent Gemstone: Natural Opal Carat Weight: 1.94 Dimensions: 12.80 x 8.50 x 4.50 mm Additional Information: Shape - Oval Cut / Color - Bl

Title: 1.78 Ctw Natural Black Fire Opal Oval Cut Clarity: Translucent Gemstone: Natural Opal Carat Weight: 1.78 Dimensions: 10.90 x 8.20 x 4.80 mm Additional Information: Shape - Oval Cut / Color - Bl

No Reserve! Title: 3.00 Ct Natural Ethiopian Black Fire Opal Octagon Cut Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 3 Size/Dimensions: 13.00 x 7.90 x 5.00 mm Additional In

No Reserve! Title: 1.73 Ct Natural Ethiopian Black Fire Opal Octagon Cut Stone Clarity: Opaque Gemstones: Natural Black Opal Carat Weights: 1.73 Size/Dimensions: 11.00 x 6.70 x 4.40 mm Additional Info

Title: 1.66 Ctw Natural Multi-Color Fire Opal Octagon Cut Stone Clarity: Translucent Gemstones: Natural Opal Carat Weights: 1.66 Size/Dimensions: 11.20 x 6.90 x 4.50 mm Additional Information: Shape -

Title: 1.50 Ctw Natural Black Fire Opal Oval Cut Stone Clarity: Translucent Gemstone: Natural Opal Carat Weight: 1.50 Size/Dimensions: 11.60 x 7.60 x 4.00 mm Additional Information: Shape - Oval Cut /

Title: 1.55 Ctw Natural Black Fire Opal Oval Cut Clarity: Translucent Gemstone: Natural Opal Carat Weight: 1.55 Dimensions: 11.50 x 7.60 x 4.30 mm Additional Information: Shape - Oval Cut / Color - Bl