Results for “Black Opal”

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2.78 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.78 Ct / Dimensions - 13.40 x 9.60 x 4.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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2.78 Ct Natural Black Flashing Fire Opal Oval Cab

$40

Gems AuctionBangkok, TH

2.38 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 2.38 Ct / Dimensions - 13.30 x 8.30 x 5.30 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

May 19, 2026

2.38 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $75-$150

$1

Gems AuctionBangkok, TH

1.93 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.93 Ct / Dimensions - 14.50 x 7.50 x 4.60 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.93 Ct Natural Black Flashing Fire Opal Pear Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring: Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring This modern cocktail ring showcases an exquisite 2.29 carat total weight featuring a stunning natural genuine boulder opal at its cent

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Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail Ring

$1,950

BidhausNew York, NY

3.36 Ct Natural Black Flashing Fire Opal OVal Cab: Weight - 3.36 Ct / Dimensions - 12.70 x 10.40 x 5.50 mm / Shape - OVal Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

3.36 Ct Natural Black Flashing Fire Opal OVal Cab

Est. $100-$200

$1

Gems AuctionBangkok, TH

2.47 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 2.47 Ct / Dimensions - 11.80 x 9.50 x 4.90 mm / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.47 Ct Natural Black Flashing Fire Opal Cushion Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

2.81 Ct Natural Black Flashing Fire Opal Trillion Cab: Weight - 2.81 Ct / Dimensions - 12.10 x 11.70 x 4.70 mm / Shape - Trillion Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.81 Ct Natural Black Flashing Fire Opal Trillion Cab

Est. $100-$200

$1

Gems AuctionBangkok, TH

1.96 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 1.96 Ct / Dimensions - 11.50 x 7.40 x 4.60 mm / Shape - Cushion Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.96 Ct Natural Black Flashing Fire Opal Cushion Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

4.42 Ct Natural Black Flashing Fire Opal Oval Cab Pair: Weight - 4.42 Ct / Dimensions - 11.70 x 8.70 x 4.10 mm / 2 PC's / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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4.42 Ct Natural Black Flashing Fire Opal Oval Cab Pair

$55

Gems AuctionBangkok, TH

7.50 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 7.50 Ct / Dimensions - 17.80 x 12.50 x 8.50 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

7.50 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $150-$300

$1

Gems AuctionBangkok, TH

3.01 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.01 Ct / Dimensions - 12.40 x 9.50 x 5.30 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

3.01 Ct Natural Black Flashing Fire Opal Oval Cab

Est. $100-$200

$1

Gems AuctionBangkok, TH

2.20 Ct Natural Black Flashing Fire Opal OVal Cut: Weight - 2.20 Ct / Dimensions - 11.70 x 7.80 x 5.50 mm / Shape - OVal Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.20 Ct Natural Black Flashing Fire Opal OVal Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

5.76 Ct Natural Black Fire Opal Pear Cut: Weight - 5.76 Ct / Size - 16.00 x 11.60 x 8.30 mm / Shape - Pear cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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5.76 Ct Natural Black Fire Opal Pear Cut

$60

Gems AuctionBangkok, TH

Natural Fire Red Black Opal Gemstones 1.02 Ct. Oval Cabochon Shape 10.2 x 7.7 Mm.: Product ID: 818724703 Product Name: Natural Opal Weight: 1.02 CT. Size: 10.2 x 7.7 x 3 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin:

May 24, 2026

Natural Fire Red Black Opal Gemstones 1.02 Ct. Oval Cabochon Shape 10.2 x 7.7 Mm.

Est. $103-$162

$1

Treasure of Gems & JewelryLake Charles, LA

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.60 Ct. Oval Cabochon Shape 10.9 x 8.4: Product ID: 818725840 Product Name: Natural Opal Weight: 1.60 CT. Size: 10.9 x 8.4 x 4.2 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia

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Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.60 Ct. Oval Cabochon Shape 10.9 x 8.4

$49

Treasure of Gems & JewelryLake Charles, LA

2.70 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 2.70 Ct / Dimensions - 14.60 x 7.90 x 5.90 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.70 Ct Natural Black Flashing Fire Opal Pear Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

1.35 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 1.35 Ct / Dimensions - 11.00 x 6.30 x 4.20 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.35 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $75-$150

$1

Gems AuctionBangkok, TH

2.05 Ct Natural Black Flashing Fire Opal Oval cut: Weight - 2.05 Ct / Dimensions - 13.40 x 7.80 x 4.50 mm / Shape - Oval cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.05 Ct Natural Black Flashing Fire Opal Oval cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11: 14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11 This striking band ring is crafted from solid 14K yellow gold and features a stunning mosaic design on its domed top, showcasing natural o

3 days Left

14K Yellow Gold Mosaic Opal Black Onyx Wide Band Ring Size 11

Est. $1,248-$1,622

$960

BidhausNew York, NY

1.39 Ct Natural Black Flashing Fire Opal Oval cab: Weight - 1.39 Ct / Dimensions - 9.60 x 6.80 x 4.70 mm / Shape - Oval cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.39 Ct Natural Black Flashing Fire Opal Oval cab

Est. $75-$150

$1

Gems AuctionBangkok, TH

1.82 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.82 Ct / Dimensions - 10.90 x 7.70 x 6.10 mm / Shape - Pear Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.82 Ct Natural Black Flashing Fire Opal Pear Cut

Est. $75-$150

$1

Gems AuctionBangkok, TH

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

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2.80 Ct Natural Black Fire Opal Oval Cut

$40

Gems AuctionBangkok, TH

3.31 Ct Natural Black Flashing Fire Opal Oval Cab Pair: Weight - 3.31 Ct / Dimensions - 9.10 x 7.10 x 5.50 mm / 2 PC's / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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3.31 Ct Natural Black Flashing Fire Opal Oval Cab Pair

$45

Gems AuctionBangkok, TH

0.94 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 0.94 Ct / Size - 9.40 x 6.40 x 3.50 mm / Shape - Pear Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

May 26, 2026

0.94 Ct Natural Black Flashing Fire Opal Pear Cab

Est. $75-$150

$1

Gems AuctionBangkok, TH

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