Results for “Black Opal”

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1.76 Ct Natural Black Flashing Fire Opal Pear Cut: Weight - 1.76 Ct / Size - 12.00 x 8.50 x 5.00 mm / Shape - Pear Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.76 Ct Natural Black Flashing Fire Opal Pear Cut

Est.

US$75

-

US$150

US$4

Gems AuctionBangkok, TH

1.70 Ct Natural Black Flashing Fire Opal Octagon Cut: Weight - 1.70 Ct / Size - 10.60 x 8.70 x 3.70 mm / Shape - Octagon Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.70 Ct Natural Black Flashing Fire Opal Octagon Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.76 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.76 Ct / Size - 12.90 x 7.50 x 3.70 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.76 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

2.89 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.89 Ct / Size - 14.50 x 10.20 x 3.60 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Jul 17, 2026

2.89 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Gems AuctionBangkok, TH

1.61 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.61 Ct / Size - 10.00 x 7.40 x 4.10 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.61 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

2.17 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 2.17 Ct / Size - 9.20 x 9.00 x 5.90 mm / Shape - Cushion Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.17 Ct Natural Black Flashing Fire Opal Cushion Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

A Opal Inlay Bracelet, Pendant & Earring Set in Sterling Silver: Sterling silver set by Zuni artist Reynetsa Leland featuring a geometric mosaic of synthetic black, white, and fire opal inlays in a hinged bracelet, dangle earrings, and pendant, earrings with posts

Jul 22, 2026

A Opal Inlay Bracelet, Pendant & Earring Set in Sterling Silver

Est.

US$200

-

US$400

US$100

Alex CooperTowson, MD

1.15 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.15 Ct / Size - 10.60 x 6.50 x 3.50 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.15 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$3

Gems AuctionBangkok, TH

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:

4 days Left

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

Est.

US$106

-

US$166

US$1

Treasure of Gems & JewelryLake Charles, LA

1.79 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.79 Ct / Size - 10.50 x 7.80 x 4.60 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.79 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$2

Gems AuctionBangkok, TH

1.59 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.59 Ct / Size - 10.30 x 7.30 x 4.70 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.59 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.31 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.31 Ct / Size - 9.00 x 6.90 x 4.20 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.31 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

1.60 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 1.60 Ct / Size - 11.80 x 6.70 x 4.30 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.60 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

16.11 Ct Natural Black Flashing Fire Opal Round Beads: Weight - 16.11 Ct / Dimensions - 7.80 - 9.40 mm / 8 Pc's / Shape - Round Beads / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

16.11 Ct Natural Black Flashing Fire Opal Round Beads

Est.

US$100

-

US$200

US$16

Gems AuctionBangkok, TH

2.06 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 2.06 Ct / Size - 15.70 x 7.20 x 4.10 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

2.06 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 Cut: Weight - 1.94 Ct / Size - 13.00 x 8.10 x 4.30 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

5 days Left

1.94 Ct Natural Black Flashing Fire Opal Oval Cut

Est.

US$75

-

US$150

US$1

Gems AuctionBangkok, TH

20.10 Ct Natural Black Flashing Fire Opal Pear Cab: Weight - 20.10 Ct / Dimensions - 24.00 x 20.50 x 8.70 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

20.10 Ct Natural Black Flashing Fire Opal Pear Cab

Est.

US$600

-

US$1,200

US$50

Gems AuctionBangkok, TH

2.93 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.93 Ct / Size - 12.80 x 10.50 x 4.90 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

Jul 17, 2026

2.93 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$100

-

US$200

US$1

Gems AuctionBangkok, TH

16.10 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 16.10 Ct / Dimensions - 27.00 x 15.10 x 8.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

16.10 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$500

-

US$1,000

US$1

Gems AuctionBangkok, TH

22.29 Ct Natural Black Flash Fire Opal Pear Cab: Weight - 22.29 Ct / Dimensions - 22.00 x 20.60 x 10.30 mm / Shape - Pear Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

22.29 Ct Natural Black Flash Fire Opal Pear Cab

Est.

US$750

-

US$1,500

US$9

Gems AuctionBangkok, TH

12.46 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 12.46 Ct / Dimensions - 25.00 x 14.20 x 7.10 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

12.46 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$400

-

US$800

US$10

Gems AuctionBangkok, TH

17.60 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 17.60 Ct / Dimensions -25.00 x 18.00 x 8.80 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

15 hrs Left

17.60 Ct Natural Black Flashing Fire Opal Oval Cab

Est.

US$250

-

US$500

US$9

Gems AuctionBangkok, TH

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.

Est.

US$134

-

US$211

US$1

Treasure of Gems & JewelryLake Charles, LA

2 days Left

18K YELLOW GOLD BLACK OPAL NECKLACE

Est.

US$2,250

-

US$3,300

US$25

NY Elizabeth Beverly Hills, CA

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