Results for “Black Opal”

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3.25 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.25 Ct / Size - 13.90 x 8.50 x 5.40 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.25 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.51 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 3.51 Ct / Dimensions - 12.00 x 10.00 x 6.90 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.51 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.45 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.45 Ct / Size - 12.30 x 9.80 x 6.50 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.45 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.72 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.72 Ct / Dimensions - 11.80 x 9.30 x 5.30 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 18, 2026

2.72 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.64 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 2.64 Ct / Size - 15.30 x 6.90 x 5.20 mm / Shape - Cushion Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

2.64 Ct Natural Black Flashing Fire Opal Cushion Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.46 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 3.46 Ct / Dimensions - 14.00 x 8.10 x 6.50 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.46 Ct Natural Black Flashing Fire Opal Pear Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

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

Sep 18, 2026

Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.96 Ct. Oval Cabochon Shape 10.7 x 7.7

Est.

US$109

-

US$172

US$1

Lake Charles, LA

Treasure of Gems & Jewelry

4.5

(267)

3.12 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 3.12 Ct / Dimensions - 14.10 x 8.50 x 6.30 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.12 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.02 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.02 Ct / Size - 12.10 x 9.40 x 5.90 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.02 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.59 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.59 Ct / Size - 12.60 x 9.00 x 5.80 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

2.59 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.62 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 3.62 Ct / Dimensions -14.80 x 9.40 x 5.60 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.62 Ct Natural Black Flashing Fire Opal Pear Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.57 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.57 Ct / Size - 12.30 x 10.30 x 6.10 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.57 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

Exceptionally Rare Victorian Northwood Vaseline Opalescent Ribbed Opal Rings Tumbler Uranium: Folks, this is an exceptionally rare and one of only two known Northwood Ribbed Opal Rings pattern tumblers. This superb find has excellent opal and coloring, and it glows under black light due to its

Sep 12, 2026

Exceptionally Rare Victorian Northwood Vaseline Opalescent Ribbed Opal Rings Tumbler Uranium

Est.

US$800

-

US$1,500

US$25

Upper Sandusky, OH

Magnum Auctions

4.5

(418)

1.19 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.19 Ct / Size - 9.10 x 7.20 x 3.70 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Buy Now

1.19 Ct Natural Black Flashing Fire Opal Oval Cab

US$25

Bangkok, TH

Gems Auction

4.7

(487)

3.18 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.18 Ct / Size - 12.70 x 9.30 x 5.50 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.18 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

1.20 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 1.20 ct /Size or Dimensions: 11 X 7.50 X 3.00 mm Approx /Treatment: Heated

5 days Left

1.20 Ct "Play Of Colors" Natural Black Opal

Est.

US$75

-

US$150

US$1

Rajasthan, IN

Finest Gems Auction

4.6

(135)

3.04 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 3.04 Ct / Dimensions - 12.20 x 9.10 x 6.30 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.04 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring: 10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring This stunning 10K Yellow Gold Bezel Oval Triplet Opal on Black Onyx Domed Solitaire Band Ring showcases a unique blend of vibrant colors and

2 days Left

10K Yellow Gold Oval Triplet Opal Black Onyx Solitaire Ring

Est.

US$390

-

US$507

US$300

New York, NY

Bidhaus

4.3

(878)

1.76 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 1.76 Ct / Size - 11.70 x 7.10 x 4.60 mm / Shape - Pear Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Buy Now

1.76 Ct Natural Black Flashing Fire Opal Pear Cab

US$25

Bangkok, TH

Gems Auction

4.7

(487)

3.18 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.18 Ct / Dimensions - 11.40 x 9.80 x 5.90 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.18 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.42 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.42 Ct / Size - 12.60 x 8.80 x 5.40 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

2.42 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

3.15 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.15 Ct / Size - 13.40 x 9.00 x 5.20 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

3.15 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.38 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.38 Ct / Dimensions - 12.60 x 8.20 x 4.60 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 14, 2026

2.38 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Bangkok, TH

Gems Auction

4.7

(487)

2.27 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.27 Ct / Size - 13.30 x 9.30 x 4.70 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Sep 11, 2026

2.27 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$100

-

US$200

US$1

Bangkok, TH

Gems Auction

4.7

(487)

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