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Results for “black opal ring”

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4.51Ct Natural Freeform Black Opal - 17x9x9mm - Polished Rough , 578E: Ksmith Heritage Auctioneers Subject: Natural Opal Origin: Ethiopia Treatment: Smoked Shape: Freeform Type: Polished Rough

3 days Left

4.51Ct Natural Freeform Black Opal - 17x9x9mm - Polished Rough , 578E

Ksmith Heritage Auctioneers

Est. $50-$100

0.70 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 0.70 Ct / Dimensions - 8.20 x 8.10 x 2.50 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Apr 13, 2026

0.70 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $75-$150

3.48Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 49E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 3.48Ct Dimension: 16.5x10.1x5.7 mm Treatment: Smoked Type: Faceted, P

2 days Left

3.48Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 49E

Ksmith Heritage Auctioneers

Est. $70-$140

2.88Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 427E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.48Ct Dimension: 12.4x9.7x5.3 mm Treatment: Smoked Type: Faceted, Po

3 days Left

2.88Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 427E

Ksmith Heritage Auctioneers

Est. $90-$180

*2.89Ct Welo Black Opal Polished - Ethiopian Opal , 631E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.89Ct Dimension: 11.9x9x5.5 mm Treatment: Smoked Type: Cabochon, Pol

3 days Left

*2.89Ct Welo Black Opal Polished - Ethiopian Opal , 631E

Ksmith Heritage Auctioneers

Est. $70-$140

Natural Fire Red Black Opal 1.30 Ct. Oval Cabochon Shape 12.8 x 8.7 Mm. Unheated Gemstone: Product ID: 818724438 Product Name: Natural Opal Weight: 1.30 CT. Size: 12.8 x 8.7 x 2.9 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origi

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Natural Fire Red Black Opal 1.30 Ct. Oval Cabochon Shape 12.8 x 8.7 Mm. Unheated Gemstone

Treasure of Gems & Jewelry

2.44Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 440E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.44Ct Dimension: 11.5x9x5.1 mm Treatment: Smoked Type: Faceted, Poli

3 days Left

2.44Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 440E

Ksmith Heritage Auctioneers

Est. $50-$100

1.83 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 1.83 Ct / Dimensions - 10.60 x 7.20 x 5.00 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Apr 02, 2026

1.83 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $75-$150

Natural Rainbow Fire Red Black Opal 1.39Ct. Oval Cabochon Shape 9.8 x 8 Mm. Gemstone: Product ID: 818724348 Product Name: Natural Opal Weight: 1.39 CT. Size: 9.8 x 8 x 4.8 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin:

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Natural Rainbow Fire Red Black Opal 1.39Ct. Oval Cabochon Shape 9.8 x 8 Mm. Gemstone

Treasure of Gems & Jewelry

2.64Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 989E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.64Ct Dimension: 12.1x9.6x5.4 mm Treatment: Smoked Type: Faceted, Po

1 day Left

2.64Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 989E

Ksmith Heritage Auctioneers

Est. $90-$180

2.66Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1063E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.66Ct Dimension: 11.9x9.8x6 mm Treatment: Smoked Type: Faceted, Poli

1 day Left

2.66Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1063E

Ksmith Heritage Auctioneers

Est. $70-$140

*8.03Ct Welo Black Opal Polished - Ethiopian Opal, 920B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 8.03Ct Dimension: 16.3x10.2x9 mm Treatment: Smoked Type: Cabochon, Polishe

2 days Left

*8.03Ct Welo Black Opal Polished - Ethiopian Opal, 920B

Ksmith Heritage Auctioneers

Est. $150-$300

2.14Ct Welo Black Opal Polished - Ethiopian Opal , 448E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.14Ct Dimension: 11.2x8.2x4.8 mm Treatment: Smoked Type: Cabochon, P

3 days Left

2.14Ct Welo Black Opal Polished - Ethiopian Opal , 448E

Ksmith Heritage Auctioneers

Est. $90-$180

2.06Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 252E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.06Ct Dimension: 9.6x8.1x5.9 mm Treatment: Smoked Type: Faceted, Pol

1 day Left

2.06Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 252E

Ksmith Heritage Auctioneers

Est. $90-$180

4.76Ct Welo Black Opal Polished - Ethiopian Opal - Triangle Cabochon , 300E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 4.76Ct Dimension: 12.5 x 11.7 x 7.6 mm Treatment: Smoked Shape: Trian

3 days Left

4.76Ct Welo Black Opal Polished - Ethiopian Opal - Triangle Cabochon , 300E

Ksmith Heritage Auctioneers

Est. $90-$180

3.06 Ct Natural Black Fire Opal Pear Cab: Weight - 3.06 Ct / Size - 14.20 x 10.10 x 4.20 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Apr 15, 2026

3.06 Ct Natural Black Fire Opal Pear Cab

Est. $75-$150

1.54 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.54 Ct / Dimensions - 9.70 x 7.40 x 4.20 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Apr 02, 2026

1.54 Ct Natural Black Flashing Fire Opal Oval Cab

Est. $75-$150

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2.24Ct Welo Black Opal Polished - Ethiopian Opal , 337E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.24Ct Dimension: 10.1x8.2x5.2 mm Treatment: Smoked Type: Cabochon, P

3 days Left

2.24Ct Welo Black Opal Polished - Ethiopian Opal , 337E

Ksmith Heritage Auctioneers

Est. $20-$40

2.33Ct Welo Black Opal Polished - Ethiopian Opal , 290E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.33Ct Dimension: 11.2x8.8x5.7 mm Treatment: Smoked Type: Faceted, Po

3 days Left

2.33Ct Welo Black Opal Polished - Ethiopian Opal , 290E

Ksmith Heritage Auctioneers

Est. $50-$100

2.50Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 369E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.50Ct Dimension: 11.3x9.5x5.3 mm Treatment: Smoked Type: Faceted, Po

3 days Left

2.50Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 369E

Ksmith Heritage Auctioneers

Est. $50-$100

3.13Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 388E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 3.13Ct Dimension: 12.3x9.3x6.4 mm Treatment: Smoked Type: Faceted, Po

3 days Left

3.13Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 388E

Ksmith Heritage Auctioneers

Est. $90-$180

3.02Ct Welo Black Opal Polished - Ethiopian Opal , 43E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 3.02Ct Dimension: 11.6x9.5x5 mm Treatment: Smoked Type: Cabochon, Pol

2 days Left

3.02Ct Welo Black Opal Polished - Ethiopian Opal , 43E

Ksmith Heritage Auctioneers

Est. $150-$300

1.98Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 878E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 1.98Ct Dimension: 11x7.7x5.1 mm Treatment: Smoked Type: Faceted, Poli

2 days Left

1.98Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 878E

Ksmith Heritage Auctioneers

Est. $50-$100

2.31Ct Welo Black Opal Polished - Ethiopian Opal , 552E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.31Ct Dimension: 10.7x8.9x4.8 mm Treatment: Smoked Type: Cabochon, P

3 days Left

2.31Ct Welo Black Opal Polished - Ethiopian Opal , 552E

Ksmith Heritage Auctioneers

Est. $50-$100

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