Results for “black opal ring”

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1.03 Ct "Play Of Colors" Natural Black Opal Pair: Gemstones: Natural Black Fire Opal /Carat Weights: 1.03 ct /Size or Dimensions: 7 X 5 mm Approx /Treatment: Heated

5 days Left

1.03 Ct "Play Of Colors" Natural Black Opal Pair

Est.

US$75

-

US$150

US$1

Finest Gems Auction Rajasthan, IN

2.11 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.11 Ct / Size - 11.90 x 9.80 x 5.00 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 11, 2026

2.11 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.36 Ct. Oval Cabochon Shape 10.3 x 7: Product ID: 818724566 Product Name: Natural Opal Weight: 1.36 CT. Size: 10.3 x 7 x 4.1 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment: En

Aug 16, 2026

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.36 Ct. Oval Cabochon Shape 10.3 x 7

Est.

US$79

-

US$124

US$1

Treasure of Gems & JewelryLake Charles, LA

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.96 Ct. Oval Cabochon Shape 10.7 x 7.7: Product ID: 818724314 Product Name: Natural Opal Weight: 1.96 CT. Size: 10.7 x 7.7 x 4.7 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 1.96 Ct. Oval Cabochon Shape 10.7 x 7.7

US$38

Treasure of Gems & JewelryLake Charles, LA

0.93 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 0.93 Ct / Dimensions - 9.30 x 5.60 x 3.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

0.93 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$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

Aug 14, 2026

5.76 Ct Natural Black Fire Opal Pear Cut

Est.

US$125

-

US$250

US$1

Gems AuctionBangkok, TH

1.96 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.96 Ct / Size - 13.40 x 8.00 x 4.90 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.96 Ct Natural Black Flashing Fire Opal Pear Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.48 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.48 Ct / Dimensions - 10.80 x 7.60 x 3.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.48 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

*4.74Ct Natural Freeform Black Opal - 16x11x5mm - Polished Rough , 188E: Ksmith Heritage Auctioneers Subject: Natural Opal Origin: Ethiopia Treatment: Smoked Shape: Freeform Type: Polished Rough

6 days Left

*4.74Ct Natural Freeform Black Opal - 16x11x5mm - Polished Rough , 188E

Est.

US$75

-

US$125

US$15

Ksmith Heritage AuctioneersJelutong, Penang

1.92 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.92 Ct / Size - 12.60 x 7.80 x 5.40 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.92 Ct Natural Black Flashing Fire Opal Pear Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

2.85 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.85 Ct / Dimensions - 11.80 x 8.60 x 6.70 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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2.85 Ct Natural Black Flashing Fire Opal Oval Cut

US$43

Gems AuctionBangkok, TH

1.93 Ct Natural Black Flashing Fire Opal OVal Cab: Weight - 1.93 Ct / Dimensions - 11.00 x 7.80 x 5.20 mm / Shape - OVal Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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1.93 Ct Natural Black Flashing Fire Opal OVal Cab

US$34

Gems AuctionBangkok, TH

1.85 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.85 Ct / Size - 10.70 x 8.70 x 5.30 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.85 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

2.41Ct Natural Freeform Black Opal - 17x9x4mm - Polished Rough , 2E: Ksmith Heritage Auctioneers Subject: Natural Opal Origin: Ethiopia Treatment: Smoked Shape: Freeform Type: Polished Rough

6 days Left

2.41Ct Natural Freeform Black Opal - 17x9x4mm - Polished Rough , 2E

Est.

US$90

-

US$150

US$15

Ksmith Heritage AuctioneersJelutong, Penang

2.02 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.02 Ct / Size - 12.00 x 9.20 x 5.30 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

2.02 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.78 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.78 Ct / Size - 12.20 x 8.10 x 4.70 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.78 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.30 Ct. Oval Cabochon Shape 12.8 x 8.7: 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

Aug 16, 2026

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.30 Ct. Oval Cabochon Shape 12.8 x 8.7

Est.

US$76

-

US$119

US$1

Treasure of Gems & JewelryLake Charles, LA

1.35 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.35 Ct / Dimensions - 9.20 x 7.10 x 4.40 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.35 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.90 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.90 Ct / Dimensions - 11.70 x 7.70 x 4.70 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.90 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.94 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.94 Ct / Dimensions - 11.40 x 8.20 x 4.40 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.94 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.28 Ct. Oval Cabochon Shape 14.3 x 9.8: Product ID: 818724271 Product Name: Natural Opal Weight: 2.28 CT. Size: 14.3 x 9.8 x 3.2 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origi

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Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.28 Ct. Oval Cabochon Shape 14.3 x 9.8

US$43

Treasure of Gems & JewelryLake Charles, LA

1.90 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.90 Ct / Size - 12.40 x 7.40 x 4.70 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Aug 19, 2026

1.90 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.52 Ct. Oval Cabochon Shape 10.8 x 8: Product ID: 818724268 Product Name: Natural Opal Weight: 1.52 CT. Size: 10.8 x 8 x 3.6 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia T

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Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.52 Ct. Oval Cabochon Shape 10.8 x 8

US$30

Treasure of Gems & JewelryLake Charles, LA

*3.05Ct Welo Black Opal Polished - Ethiopian Opal , 102E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 3.05Ct Dimension: 13.8x9.8x6 mm Treatment: Smoked Type: Cabochon, Pol

6 days Left

*3.05Ct Welo Black Opal Polished - Ethiopian Opal , 102E

Est.

US$105

-

US$175

US$15

Ksmith Heritage AuctioneersJelutong, Penang

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