13.00 Ct Natural Black Onyx Marquise Cab

No Reserve! Title: 12.24 Ct Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstones: Natural Onyx Carat Weights: 12.24 Size/Dimensions: 24.00 x 13.10 x 6.10 mm Additional Information: Marquise

No Reserve! Title: 12.17 Ct Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstones: Natural Onyx Carat Weights: 12.17 Size/Dimensions: 25.00 x 13.00 x 6.00 mm Additional Information: Marquise

No Reserve! Title: 12.00 Ct Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstone: Natural Onyx Carat Weight: 12.00 Size/Dimensions: 25.00 x 13.00 x 5.90 mm Additional Information: Marquise C

No Reserve! Title: 13.00 Ctw Natural Black Onyx Marquise Cab Stone Clarity:Opaque Gemstones: Onyx Carat weights: 13 Size/Dimensions: 25.00 x 13.00 x 6.30 mm Additional Info:Marquise Cabochon / Origin

No Reserve! Title: Natural Black Onyx - 17.56 Ct Origin: Brazil Weight: 17.56 Size/Dimensions: 35.0 x 15.5 x 6.6 mm Additional Information: Pieces : 1 No's / Shape : Marquise Cab / Color : Black / Cla

No Reserve! Title: 10.23 Ctw Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstones: Natural Onyx Size/Dimensions: 10.23 Carat Weights: 30.00 x 7.40 mm Additional Information: Marquise Caboch

No Reserve! Title: 10.96 Ctw Natural Black Onyx Marquise Cab Stone/clarity: Opaque Gemstone: Onyx Carat Weight: 10.96 Size: 25.00 x 13.10 x 5.60 mm Additional Information: Marquise Cabochon / Origin -

No Reserve! Title: 13.30 Ctw Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstone: Onyx Carat Weight: 13.3 Size/Dimensions: 25.00 x 13.10 x 6.60 mm Additional Information: Marquise Cabochon

No Reserve! Title: 13.16 Ctw Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstone: Onyx Carat Weight: 13.16 Dimesnions: 25.00 x 13.10 x 6.50 mm Additional Information: Marquise Cabochon / Or

No Reserve! Title: 13.95 Ctw Natural Black Onyx Marquise Cab Stone Clarity: Opaque Gemstone: Onyx Carat Weight: 13.95 Size/Dimensions: 25.00 x 13.10 x 6.80 mm Additional Information: Marquise Cabochon

No Reserve! Title: 10.70 ct Natural Black Onyx Star Cab Additional Information: Gemstones: Onyx Carat Weights: 10.70 ct Size/Dimensions: 14 X 14 X 6 mm Materials & Techniques: Onyx Shipping: Domestic:

No Reserve! Title: 9.35 ct Natural Black Onyx Star Cab Additional Information: Gemstones: Onyx Carat Weights: 9.35 ct Size/Dimensions: 13 X 13 X 6 mm Materials & Techniques: Onyx Shipping: Domestic: F

No Reserve! Title: 9.45 ct Natural Black Onyx Star Cab Additional Information: Gemstones: Onyx Carat Weights: 9.45 ct Size/Dimensions: 13 X 13 mm Materials & Techniques: Onyx Shipping: Domestic: Flat-

No Reserve! Title: 11.00 Ct Natural Black Onyx Cushion Cab Stone Clarity: Opaque Gemstone: Natural Onyx Carat Weight: 11.00 Size/Dimension: 14.00 x 13.90 x 6.80 mm Additional Information: Cushion Cabo

No Reserve! Title: 10.50 ct Natural Black Onyx Star Cab Additional Information: Gemstones: Onyx Carat Weights: 10.50 ct Size/Dimensions: 14 X 14 mm Materials & Techniques: Onyx Shipping: Domestic: Fla

No Reserve! Gemstones: Onyx\t Carat Weights: 9.60 ct \t Size/Dimensions: 13 X 13 X 6 mm Shipping: Domestic: Flat-rate of $7.00 to anywhere within the contiguous U.S. International: Foreign shipping ra

No Reserve! Title: 14.15 Ct Natural Black Onyx Cushion Cab Stone Clarity: Opaque Gemstones: Natural Onyx Carat Weights: 14.15 Size/Dimensions: 15.30 x 15.20 x 7.50 mm Additional Information: Cushion C

No Reserve! Gemstones: Onyx\t Carat Weights: 10 ct \t Size/Dimensions: 13 X 13 mm Shipping: Domestic: Flat-rate of $7.00 to anywhere within the contiguous U.S. International: Foreign shipping rates ar

No Reserve! Title: 8.65 ct Natural Black Onyx Star Cab Additional Information: Gemstones: Onyx Carat Weights: 8.65 ct Size/Dimensions: 13 X 13 mm Materials & Techniques: Onyx Shipping: Domestic: Flat-

No Reserve! Title: 11.00 Ct Natural Black Onyx Cushion Cab Stone Clarity: Opaque Gemstone: Natural Onyx Carat Weights: 11 Size/Dimensions: 14.00 x 13.90 x 6.80 mm Additional Information: Cushion Caboc

No Reserve! Title: 5.51 Ct Natural Ethiopian Black Fire Opal Marquise Cab Stone Clarity: Translucent Gemstone: Black Opal Carat Weight: 5.51 Size/Dimension: 25.00 x 8.40 x 6.80 mm Additional Informati

No Reserve! Title: 2.98 Ct Natural Ethiopian Black Fire Opal Marquise Cab Stone Clarity: Translucent Gemstone: Natural Black Opal Carat Weight: 2.98 Size/Dimensions: 13.80 x 7.90 x 6.30 mm Additional

No Reserve! Title: 3.00 Ct Natural Ethiopian Black Fire Opal Marquise Cab Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 3 Size/Dimensions: 19.00 x 8.00 x 5.10 mm Additional I

No Reserve! Title: 2.50 Ct Natural Ethiopian Fire Black Opal Marquise Cab Stone Clarity: Translucent Gemstone: Natural Black Opal Carat Weights: 2.50 Size/Dimensions: 22.00 x 8.10 x 5.50 mm Excellent