Results for “Black Opal”

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9.41 Ct Natural Black Flashing Fire Opal Round Cab: Weight - 9.41 Ct / Dimensions - 15.20 x 14.90 x 7.60 mm / Shape - Round Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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9.41 Ct Natural Black Flashing Fire Opal Round Cab

3.45 Ct Natural Black Fire Opal OVal Cab: Weight - 3.45 Ct / Size - 12.30 x 9.20 x 6.30 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

3.45 Ct Natural Black Fire Opal OVal Cab

Est. $100-$200

1.20 Carats Natural Black Opal - 8X8X4 mm: 1.20 Carats Natural Black Opal - 8X8X4 mm Shipping:

1 day Left

1.20 Carats Natural Black Opal - 8X8X4 mm

Fantasy Jewelry

Est. $200-$300

5.49 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 5.49 Ct / Dimensions - 15.00 x 11.10 x 6.20 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

5.49 Ct Natural Black Flashing Fire Opal Oval Cab

Est. $125-$250

Natural Rainbow Fire Red Black Opal 1.78 Ct Oval Cabochon Shape 10 x 7.4 Mm. Gemstone: Product ID: 818725870 Product Name: Natural Opal Weight: 1.78 CT. Size: 10 x 7.4 x 4.8 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia T

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Natural Rainbow Fire Red Black Opal 1.78 Ct Oval Cabochon Shape 10 x 7.4 Mm. Gemstone

Treasure of Gems & Jewelry

Est. $156-$245

2.45 ct Pear Multicolor Black Opal: 2.45 ct Pear Multicolor Black Opal Introducing the Pear Multicolor Black Opal, a striking natural gemstone weighing 2.45 carats. This Ethiopian opal showcases a vibrant play of multicolored hues acros

Feb 17, 2026

2.45 ct Pear Multicolor Black Opal

Weatherham Estate Treasures

Est. $300-$400

3.30 Ct Natural Black Fire Opal Marquise Cab: Weight - 3.30 Ct / Size - 18.30 x 6.80 x 6.50 mm / Shape - Marquise Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

3.30 Ct Natural Black Fire Opal Marquise Cab

Est. $100-$200

2.41 Ct Natural Black Fire Opal Round Cab: Weight - 2.41 Ct / Size - 9.80 x 9.80 x 5.10 mm / Shape - Round Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

2.41 Ct Natural Black Fire Opal Round Cab

Est. $75-$150

4.32ct Multicolor Black Oval Opal Gemstone: 4.32ct Multicolor Black Oval Opal Gemstone Type: Black Opal Size: 15.7 x 11.6mm Colour: Multicolor Treatment: Smoked Clarity: Opaque Origin: Ethiopia Mohs Hardness: 5.5- 6.5 View

Feb 18, 2026

4.32ct Multicolor Black Oval Opal Gemstone

Weatherham Estate Treasures

Est. $275-$350

2.25 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.25 Ct / Dimensions - 12.90 x 9.50 x 4.10 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.25 Ct Natural Black Flashing Fire Opal Oval Cut

Est. $75-$150

2.26 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.26 Ct / Dimensions - 12.30 x 8.40 x 5.00 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.26 Ct Natural Black Flashing Fire Opal Oval Cut

Est. $75-$150

11.33ct Marquise Cabochon Natural Multicolor Black Opal Gemstone: 11.33ct Marquise Cabochon Natural Multicolor Black Opal Gemstone This 11.33ct natural black opal from Ethiopia displays a vivid multicolor play-of-color over a deep, smoky base. Cut in a striking mar

Feb 25, 2026

11.33ct Marquise Cabochon Natural Multicolor Black Opal Gemstone

Weatherham Estate Treasures

Est. $250-$350

2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone: 2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone This 2.13ct natural black opal from Ethiopia features a vivid multicolor play-of-color across a dark base. Expertly cut in an oval cabochon

Feb 25, 2026

2.13ct Oval Cabochon Natural Multicolor Black Opal Gemstone

Weatherham Estate Treasures

Est. $250-$350

4.02 Ct Natural Black Flashing Fire Opal Cushion Cut Pair: Weight - 4.02 Ct / Size - 11.80 x 6.60 x 3.30 mm / 2 Pc's / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

4.02 Ct Natural Black Flashing Fire Opal Cushion Cut Pair

Est. $100-$200

2.50 Ct Natural Black Flashing Fire Opal Cushion Cut Pair: Weight - 2.50 Ct / Size - 11.80 x 6.60 x 3.30 mm / 2 Pc's / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

2.50 Ct Natural Black Flashing Fire Opal Cushion Cut Pair

Est. $75-$150

16.73 Ct Natural Black Fire Opal Trillion Cab: Weight - 16.93 Ct / Dimensions -18.50 x 18.10 x 11.20 mm / Shape - Trillion Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Mar 03, 2026

16.73 Ct Natural Black Fire Opal Trillion Cab

Est. $550-$1,100

1.65 Ct Natural Black Flashing Fire Opal Trillion Cab: Weight - 1.65 Ct / Dimensions - 9.30 x 9.10 x 4.80 mm / Shape - Trillion Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

1.65 Ct Natural Black Flashing Fire Opal Trillion Cab

Est. $75-$150

2.39 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 2.39 Ct / Dimensions - 12.90 x 8.60 x 5.20 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.39 Ct Natural Black Flashing Fire Opal Pear Cut

Est. $75-$150

2.63 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.63 Ct / Dimensions - 11.70 x 8.70 x 5.50 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

3 days Left

2.63 Ct Natural Black Flashing Fire Opal Oval Cab

Est. $75-$150

3.01 Ct Natural Black Fire Opal Pear Cab Pair: Weight - 3.01 Ct / Dimensions -11.10 x 7.10 x 4.80 mm / 2 Pc's / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

3.01 Ct Natural Black Fire Opal Pear Cab Pair

Est. $75-$150

2.09 Ct Natural Black Fire Opal Pear Cut: Weight - 2.09 Ct / Dimensions -14.70 x 8.20 x 4.50 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

2.09 Ct Natural Black Fire Opal Pear Cut

Est. $75-$150

25 Carats of Ethiopian Welo Black Smoked Opal Cabochons, 52V: The lot comprises thirteen polished opal cabochons of oval and pear-shaped forms, displaying a dark body tone with strong internal play-of-color showing flashes of green, blue, red, and occasional vio

2 days Left

25 Carats of Ethiopian Welo Black Smoked Opal Cabochons, 52V

Est. $60-$120

2.90 Ct Natural Black Fire Opal Cushion Cut: Weight - 2.90 Ct / Dimensions -13.80 x 9.70 x 4.70 mm / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

2.90 Ct Natural Black Fire Opal Cushion Cut

Est. $75-$150

2.80 Ct Natural Black Fire Opal Oval Cut: Weight - 2.80 Ct / Dimensions -12.50 x 8.70 x 4.80 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2 days Left

2.80 Ct Natural Black Fire Opal Oval Cut

Est. $75-$150

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