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Natural Fire Red Black Opal Gemstones 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm.: Product ID: 818724611 Product Name: Natural Opal Weight: 1.51 CT. Size: 10.6 x 8 x 4 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin: E

Jul 24, 2026

Natural Fire Red Black Opal Gemstones 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm.

Treasure of Gems & Jewelry

$1

Natural Fire Red Black Opal Gemstones 1.39 Ct. Oval Cabochon Shape 9.8 x 8 Mm.: 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:

Jul 19, 2026

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

Treasure of Gems & Jewelry

$1

(1 bid)

Natural Red Black Opal Gemstones 2.07 Ct. Oval Cabochon Shape 11.5 x 8.7 Mm.: Product ID: 818724656 Product Name: Natural Opal Weight: 2.07 CT. Size: 11.5 x 8.7 x 4.3 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origi

Jul 19, 2026

Natural Red Black Opal Gemstones 2.07 Ct. Oval Cabochon Shape 11.5 x 8.7 Mm.

Treasure of Gems & Jewelry

$1

Natural Rainbow Fire Red Black Opal Gemstones 1.89 Ct. Oval Cabochon Shape 11.6 x 9.2 Mm.: Product ID: 818724536 Product Name: Natural Opal Weight: 1.89 CT. Size: 11.6 x 9.2 x 3.7 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia

Jul 24, 2026

Natural Rainbow Fire Red Black Opal Gemstones 1.89 Ct. Oval Cabochon Shape 11.6 x 9.2 Mm.

Treasure of Gems & Jewelry

$1

1.50 ct Natural Orange Red Fire Opal, Oval Cut, Transparent, Mexico: 1.50 ct Natural Orange Red Fire Opal, Oval Cut, Transparent, Mexico Natural fire opal gemstone weighing 1.50 ct, cut in an oval facet shape with an orange-red color. The gem measures 8.56 x 7.34 x 5.3

Jul 24, 2026

1.50 ct Natural Orange Red Fire Opal, Oval Cut, Transparent, Mexico

Weatherham Estate Treasures

$130

Natural Fire Red Black Opal Gemstones 1.66 Ct. Pear Cabochon Shape 11 x 8.3 Mm.: Product ID: 818724177 Product Name: Natural Opal Weight: 1.66 CT. Size: 11 x 8.3 x 4.2 MM. Shape: Pear Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin:

Jul 13, 2026

Natural Fire Red Black Opal Gemstones 1.66 Ct. Pear Cabochon Shape 11 x 8.3 Mm.

Treasure of Gems & Jewelry

$1

0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico: 0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico Natural fire opal gemstone weighing 0.83 ct, cut in an oval facet shape with a vibrant fire orange color. The gem measures 8.17 x

Jul 15, 2026

0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico

Weatherham Estate Treasures

$80

0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico: 0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico Natural fire opal gemstone weighing 0.83 ct, cut in an oval facet shape with a vibrant fire orange color. The gem measures 8.17 x

Jul 15, 2026

0.83 ct Natural Fire Orange Fire Opal, Oval Facet, Transparent, Mexico

Weatherham Estate Treasures

$80

Natural Fire Red Black Opal Gemstones 2.05 Ct. Oval Cabochon Shape 10.6 x 8.4 Mm.: Product ID: 818725688 Product Name: Natural Opal Weight: 2.05 CT. Size: 10.6 x 8.4 x 4.8 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment:

Jul 13, 2026

Natural Fire Red Black Opal Gemstones 2.05 Ct. Oval Cabochon Shape 10.6 x 8.4 Mm.

Treasure of Gems & Jewelry

$1

1.95 ct Oval Natural Fire Red Tone Coral: 1.95 ct Oval Natural Fire Red Tone Coral Introducing the Oval Natural Fire Red Tone Coral, a vibrant gem with a striking fire red color and classic oval cabochon shape. This untreated coral from Austr

Jul 15, 2026

1.95 ct Oval Natural Fire Red Tone Coral

Weatherham Estate Treasures

$425

1.95 ct Oval Natural Fire Red Tone Coral: 1.95 ct Oval Natural Fire Red Tone Coral Introducing the Oval Natural Fire Red Tone Coral, a vibrant gem with a striking fire red color and classic oval cabochon shape. This untreated coral from Austr

Jul 15, 2026

1.95 ct Oval Natural Fire Red Tone Coral

Weatherham Estate Treasures

$425

2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico: 2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico Natural fire opal gemstone weighing 2.71 carats, cut in an oval facet shape with a vivid red-orange color and transparent c

Jul 17, 2026

2.71ct Natural Intense Red Orange Fire Opal, Oval Facet, Transparent, Mexico

Weatherham Estate Treasures

$135

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10000 past auction results for "black-welo-opal"

Browse a record of outcomes from past auctions, including sale prices and unsold items.

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Time: Newest

Natural Fire Red Black Opal 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm. Gemstone: Product ID: 818724611 Product Name: Natural Opal Weight: 1.51 CT. Size: 10.6 x 8 x 4 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin: E

2025

Natural Fire Red Black Opal 1.51 Ct. Oval Cabochon Shape 10.6 x 8 Mm. Gemstone

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 0.95 Ct. Oval Cabochon Shape 8.4 x 6.4 Mm. Gemstone: Product ID: 818724214 Product Name: Natural Opal Weight: 0.95 CT. Size: 8.4 x 6.4 x 3.8 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin

2025

Natural Fire Red Black Opal 0.95 Ct. Oval Cabochon Shape 8.4 x 6.4 Mm. Gemstone

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 0.94 Ct. Oval Cabochon Shape 10 x 7.7 Mm. Gemstone: Product ID: 818724581 Product Name: Natural Opal Weight: 0.94 CT. Size: 10 x 7.7 x 2.6 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Origin:

2025

Natural Fire Red Black Opal 0.94 Ct. Oval Cabochon Shape 10 x 7.7 Mm. Gemstone

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 0.77 Ct. Oval Cabochon Shape 9.3 x 6.6 Mm. Gemstone Unheated: Product ID: 818724263 / Product Name: Natural Opal / Weight: 0.77 CT. / Size: 9.3 x 6.6 x 3.6 MM. / Shape: Oval Cabochon / Color: Rainbow Fire Red Black / Clarity:Semi - Transparent / Luster: Iridesce

2025

Natural Fire Red Black Opal 0.77 Ct. Oval Cabochon Shape 9.3 x 6.6 Mm. Gemstone Unheated

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 0.80 Ct. Trilliant Cabochon Shape 7.6 x 7.5 Mm. Gemstone From Ethiopia: Product ID: 818724384 Product Name: Natural Opal Weight: 0.80 CT. Size: 7.6 x 7.5 x 3 MM. Shape: Trilliant Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems Ori

2025

Natural Fire Red Black Opal 0.80 Ct. Trilliant Cabochon Shape 7.6 x 7.5 Mm. Gemstone From Ethiopia

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 1.18 Ct. Pear Cabochon Shape 12.3 x 8 Mm Gemstone From Ethiopia: Product ID: 818725711 Product Name: Natural Opal Weight: 1.81 CT. Size: 12.3 x 8 x 3.9 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment: En

2025

Natural Fire Red Black Opal 1.18 Ct. Pear Cabochon Shape 12.3 x 8 Mm Gemstone From Ethiopia

Treasure of Gems & JewelryBlanco, TX

Natural Play Of Color Rainbow Fire Red Black Opal 1.57 Ct. Oval Cabochon Shape 10.8 x 8.2 Mm: Product ID: 818724224 Product Name: Natural Opal Weight: 1.57 CT. Size: 10.8 x 8.2 x 4.5 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia

2025

Natural Play Of Color Rainbow Fire Red Black Opal 1.57 Ct. Oval Cabochon Shape 10.8 x 8.2 Mm

Treasure of Gems & JewelryBlanco, TX

Natural Fire Red Black Opal 2.16 Ct. Pear Cabochon Shape 13.6 x 8.7 Mm Gemstone From Ethiopia: Product ID: 818725612 Product Name: Natural Opal Weight: 2.16 CT. Size: 13.6 x 8.7 x 4.2 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment:

2025

Natural Fire Red Black Opal 2.16 Ct. Pear Cabochon Shape 13.6 x 8.7 Mm Gemstone From Ethiopia

Treasure of Gems & JewelryBlanco, TX

Hopi ? Sterling Silver S.B. Black Onyx, Opal, Coral, MOP Men's Ring Size 10.5: Hopi ? Sterling Silver S.B. Black Onyx, Opal, Coral, MOP Men's Ring Size 10.5, 3/4 in. x 1 in.

2025

Hopi ? Sterling Silver S.B. Black Onyx, Opal, Coral, MOP Men's Ring Size 10.5

Auctions at Deer Ridge FarmSaugerties, NY

JEWELRY. Cameo & pearl to to include 14k cameo earrings & 14k cameo ring. black pearl necklace w/: JEWELRY. Cameo & pearl to to include 14k cameo earrings & 14k cameo ring. black pearl necklace w/ 14kt clasp. pearl necklace w/ 14k opal clasp. small pearl necklace w/ 14k white gold clasp

2025

JEWELRY. Cameo & pearl to to include 14k cameo earrings & 14k cameo ring. black pearl necklace w/

Hudson Valley Auctioneers LLC Beacon NYBeacon, NY

5.85ct Oval Black Opal Gemstone: 5.85ct oval black opal gemstone, 15x12x5mm

2025

5.85ct Oval Black Opal Gemstone

Verma Estate Departmenthicksville, NY

4.0ct Oval Black Opal Gemstone: Oval black opal gemstone, 4.0 carats, 16mm x 12mm x 3mm

2025

4.0ct Oval Black Opal Gemstone

Verma Estate Departmenthicksville, NY

Pear Shape Australian Black Opal Gemstone: Pear Shape Australian black opal, 0.65 carats, 9mm x 6mm x 2mm

2025

Pear Shape Australian Black Opal Gemstone

Verma Estate Departmenthicksville, NY

Opal and Diamond Cocktail Ring in Platinum: Platinum opal and diamond cocktail ring, 3.37ct oval black opal with round and tapered baguette diamonds at 1.16 carat total weight, G-H color VS clarity, size US 7.5, 8.79 grams

2025

Opal and Diamond Cocktail Ring in Platinum

Verma Estate Departmenthicksville, NY

Vintage Zuni Native American Sterling Silver Inlay Multi Gemstone Bracelet: Gemstones to include ethiopian opal, tigerseye, and black onyx. Measures 9.5 inches long, can be worn smaller. Overall good condition.

2025

Vintage Zuni Native American Sterling Silver Inlay Multi Gemstone Bracelet

South Shore AuctionsPatchogue, NY

Natural 3.11 Cts #Black Opal Oval " Multi-Color Play ": Weight - 3.11 Ct ------> Size - 13.20 x 9.80 x 5.60 mm ------> Shape - Oval Cab ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 3.11 Cts #Black Opal Oval " Multi-Color Play "

Gems AuctionBangkok, TH

Natural 2.34 Cts #Black Opal Round " Multi-Color Play ": Weight - 2.34 Ct ------> Size - 10.00 x 10.00 x 4.40 mm ------> Shape - Round Cab ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 2.34 Cts #Black Opal Round " Multi-Color Play "

Gems AuctionBangkok, TH

Natural 2.30 Cts #Faceted Black Opal Oval " Multi-Color Play ": Weight - 2.30 Ct ------> Size - 11.50 x 8.30 x 6.00 mm ------> Shape - Oval Cut ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 2.30 Cts #Faceted Black Opal Oval " Multi-Color Play "

Gems AuctionBangkok, TH

Natural 2.18 Cts #Black Opal Oval Faceted " Multi-Color Play ": Weight - 2.18 Ct ------> Size - 12.50 x 8.70 x 4.60 mm ------> Shape - Oval Cut ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 2.18 Cts #Black Opal Oval Faceted " Multi-Color Play "

Gems AuctionBangkok, TH

Natural 2.36 Cts #Faceted Black Opal Oval " Multi-Color Play ": Weight - 2.36 Ct ------> Size - 14.90 x 8.70 x 3.90 mm ------> Shape - Oval Cut ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 2.36 Cts #Faceted Black Opal Oval " Multi-Color Play "

Gems AuctionBangkok, TH

Natural 3.44 Cts #Black Opal Pear " Multi-Color Play " 3 Pc's: Weight - 3.44 Ct ------> Size - 9.7x6.8 - 10.5x6.2 mm / 3 Pc's ------> Shape - Pear Cab ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 3.44 Cts #Black Opal Pear " Multi-Color Play " 3 Pc's

Gems AuctionBangkok, TH

Natural 6.94 Cts #Black Opal Oval Faceted " Multi-Color Play " 3 Pc's: Weight - 6.94 Ct ------> Size - 11.1x8.8 - 12.7x9.8 mm / 3 Pc's ------> Shape - Oval Cut ------> Color - Black ------> Clarity - Translucent ------> Origin - Ethiopia ------> Treatment - Heated

2024

Natural 6.94 Cts #Black Opal Oval Faceted " Multi-Color Play " 3 Pc's

Gems AuctionBangkok, TH

9.12Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2024

9.12Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon

Ksmith Heritage AuctioneersJelutong, Penang

3.85Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2024

3.85Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon

Ksmith Heritage AuctioneersJelutong, Penang

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