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Natural Black Opal for Sale, Certified Black Opals Online

Natural Black Opal for Sale - Certified Black Opals Online

Have a look and enjoy our selection of natural Black Opal for sale. We stock this beautiful gemstone in hand-selected pairs, parcels for jewelry use and singles. We do not use stock photos for our Black Opals and all other gemstones offered on our website, what you see is what you get. We offer worldwide shipping with standard or express shipping options. Black Opal is a good choice for jewelry due to its play of color and dark base-color.
Black Opal Weight Black Opal Size Black Opal Clarity Black Opal Price Black Opal Origin
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2.54ct Loose Black Opal | 2.54 ct Oval Black Opal, 7 x 5.1 mm From Ethiopia, Photo A

2.54 ct Oval Black Opal, 7 x 5.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 2.54 carat weight Black Opal

2.54ct (total)4 Pieces
$ 83.82
7 x 5.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.64 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7 x 5.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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2.65ct Loose Black Opal | 2.65 ct Oval Black Opal, 7 x 5 mm From Ethiopia, Photo A

2.65 ct Oval Black Opal, 7 x 5 mm From Ethiopia

Natural Black Opal, Qty: 5 pcs | 2.65 carat weight Black Opal

2.65ct (total)5 Pieces
$ 87.45
7 x 5 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.53 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7 x 5 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 5
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.34ct Loose Black Opal | 1.34 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia, Photo A
Click for Product Video (519511)

1.34 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.34 carat weight Black Opal

1.34ct (total)4 Pieces
$ 44.22
6.1 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.34 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.1 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
2.49ct Loose Black Opal | 2.49 ct Oval Black Opal, 6.9 x 5 mm From Ethiopia, Photo A

2.49 ct Oval Black Opal, 6.9 x 5 mm From Ethiopia

Natural Black Opal, Qty: 5 pcs | 2.49 carat weight Black Opal

2.49ct (total)5 Pieces
$ 82.17
6.9 x 5 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.50 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.9 x 5 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 5
Black Opal Certificate: GemSelect
Product Description:
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5.54ct Loose Black Opal | 5.54 ct Oval Black Opal, 9.1 x 7.2 mm From Ethiopia, Photo A
Click for Product Video (473265)

5.54 ct Oval Black Opal, 9.1 x 7.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 5.54 carat weight Black Opal

5.54ct (total)4 Pieces
$ 115.95
9.1 x 7.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.39 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9.1 x 7.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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1.41ct Loose Black Opal | 1.41 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia, Photo A

1.41 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.41 carat weight Black Opal

1.41ct (total)4 Pieces
$ 46.53
6.1 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.35 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.1 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
2.79ct Loose Black Opal | 2.79 ct Oval Black Opal, 7 x 5 mm From Ethiopia, Photo A

2.79 ct Oval Black Opal, 7 x 5 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 2.79 carat weight Black Opal

2.79ct (total)4 Pieces
$ 83.70
7 x 5 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.70 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7 x 5 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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2.79ct Loose Black Opal | 2.79 ct Oval Black Opal, 7.1 x 5.2 mm From Ethiopia, Photo A

2.79 ct Oval Black Opal, 7.1 x 5.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 2.79 carat weight Black Opal

2.79ct (total)4 Pieces
$ 92.07
7.1 x 5.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.70 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7.1 x 5.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.13ct Loose Black Opal | 1.13 ct Oval Black Opal, 6 x 4.1 mm From Ethiopia, Photo A

1.13 ct Oval Black Opal, 6 x 4.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.13 carat weight Black Opal

1.13ct (total)4 Pieces
$ 37.29
6 x 4.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.28 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6 x 4.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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1.54ct Loose Black Opal | 1.54 ct Oval Black Opal, 6.2 x 4.4 mm From Ethiopia, Photo A

1.54 ct Oval Black Opal, 6.2 x 4.4 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.54 carat weight Black Opal

1.54ct (total)4 Pieces
$ 46.20
6.2 x 4.4 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.39 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.2 x 4.4 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.28ct Loose Black Opal | 1.28 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia, Photo A

1.28 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.28 carat weight Black Opal

1.28ct (total)4 Pieces
$ 42.24
6 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.32 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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1.47ct Loose Black Opal | 1.47 ct Oval Black Opal, 6.3 x 4.3 mm From Ethiopia, Photo A

1.47 ct Oval Black Opal, 6.3 x 4.3 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.47 carat weight Black Opal

1.47ct (total)4 Pieces
$ 48.51
6.3 x 4.3 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.37 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.3 x 4.3 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.49ct Loose Black Opal | 1.49 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia, Photo A

1.49 ct Oval Black Opal, 6.1 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 5 pcs | 1.49 carat weight Black Opal

1.49ct (total)5 Pieces
$ 49.17
6.1 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.30 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.1 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 5
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.10ct Loose Black Opal | 1.1 ct Oval Black Opal, 5.8 x 4 mm From Ethiopia, Photo A

1.1 ct Oval Black Opal, 5.8 x 4 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.10 carat weight Black Opal

1.10ct (total)4 Pieces
$ 33.00
5.8 x 4 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.28 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 5.8 x 4 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
5.72ct Loose Black Opal | 5.72 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia, Photo A

5.72 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 5.72 carat weight Black Opal

5.72ct (total)4 Pieces
$ 171.60
9.1 x 7.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.43 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9.1 x 7.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
2.67ct Loose Black Opal | 2.67 ct Oval Black Opal, 7 x 5 mm From Ethiopia, Photo A

2.67 ct Oval Black Opal, 7 x 5 mm From Ethiopia

Natural Black Opal, Qty: 5 pcs | 2.67 carat weight Black Opal

2.67ct (total)5 Pieces
$ 88.11
7 x 5 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.53 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7 x 5 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 5
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.15ct Loose Black Opal | 1.15 ct Oval Black Opal, 6 x 4.1 mm From Ethiopia, Photo A

1.15 ct Oval Black Opal, 6 x 4.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.15 carat weight Black Opal

1.15ct (total)4 Pieces
$ 34.50
6 x 4.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.29 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6 x 4.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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5.55ct Loose Black Opal | 5.55 ct Oval Black Opal, 9.2 x 7.1 mm From Ethiopia, Photo A
Click for Product Video (473257)

5.55 ct Oval Black Opal, 9.2 x 7.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 5.55 carat weight Black Opal

5.55ct (total)4 Pieces
$ 127.78
9.2 x 7.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.39 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9.2 x 7.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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2.84ct Loose Black Opal | 2.84 ct Oval Black Opal, 8 x 6 mm From Ethiopia, Photo A

2.84 ct Oval Black Opal, 8 x 6 mm From Ethiopia

Natural Black Opal, Qty: 3 pcs | 2.84 carat weight Black Opal

2.84ct (total)3 Pieces
$ 65.38
8 x 6 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.95 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 8 x 6 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 3
Black Opal Certificate: GemSelect
Product Description:
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2.49ct Loose Black Opal | 2.49 ct Oval Black Opal, 7.1 x 5.2 mm From Ethiopia, Photo A

2.49 ct Oval Black Opal, 7.1 x 5.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 2.49 carat weight Black Opal

2.49ct (total)4 Pieces
$ 82.17
7.1 x 5.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.62 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 7.1 x 5.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.50ct Loose Black Opal | 1.5 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia, Photo A

1.5 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.50 carat weight Black Opal

1.50ct (total)4 Pieces
$ 49.50
6 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.38 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.26ct Loose Black Opal | 1.26 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia, Photo A

1.26 ct Oval Black Opal, 6 x 4.2 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.26 carat weight Black Opal

1.26ct (total)4 Pieces
$ 41.58
6 x 4.2 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.32 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6 x 4.2 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
4.58ct Loose Black Opal | 4.58 ct Oval Black Opal, 8.9 x 7 mm From Ethiopia, Photo A

4.58 ct Oval Black Opal, 8.9 x 7 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 4.58 carat weight Black Opal

4.58ct (total)4 Pieces
$ 105.45
8.9 x 7 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.15 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 8.9 x 7 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
1.32ct Loose Black Opal | 1.32 ct Oval Black Opal, 6.3 x 4.3 mm From Ethiopia, Photo A

1.32 ct Oval Black Opal, 6.3 x 4.3 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 1.32 carat weight Black Opal

1.32ct (total)4 Pieces
$ 43.56
6.3 x 4.3 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 0.33 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 6.3 x 4.3 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
5.23ct Loose Black Opal | 5.23 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia, Photo A

5.23 ct Oval Black Opal, 9.1 x 7.1 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 5.23 carat weight Black Opal

5.23ct (total)4 Pieces
$ 120.41
9.1 x 7.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.31 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9.1 x 7.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart
5.51ct Loose Black Opal | 5.51 ct Oval Black Opal, 9 x 7 mm From Ethiopia, Photo A

5.51 ct Oval Black Opal, 9 x 7 mm From Ethiopia

Natural Black Opal, Qty: 4 pcs | 5.51 carat weight Black Opal

5.51ct (total)4 Pieces
$ 126.85
9 x 7 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 1.38 ct Black Opal
Black Opal Shape: Oval Cabochon Black Opal
Black Opal Size: 9 x 7 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 4
Black Opal Certificate: GemSelect
Product Description:
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Add to Cart

Black Opals are just one of the many varieties found in this intriguing and fantastic looking gemstone family which also includes white opals, boulder opals, fire opals, pink Peruvian opals, hyalite opals and many, many more.

Black Opals are one of the more well known varieties and, generally speaking, are the most valuable of them all.

Black Opal Colors

Black Opal is a slightly inaccurate name as a totally black opal would be pretty much worthless. The black refers to the material known as 'potch upon' which the precious and colorful Opal is formed.

With a contrasting deep dark background, the play-of-color phenomenon and its kaleidoscopic rainbow of colors can really stand out.

Unlike most gemstones it is the internal structure of the Black Opal that creates the color rather than the presence of certain minerals.

Precious opal material is comprised of millions of tiny spheres of different sizes and varying spaces between them. As light enters the stone, it bounces around and breaks up into the different colors - a bit like a prism - and reflects back out again.

Read more about gemstones colors here

Black Opal Species

Black Opals are just one of many types of opals found around the world. Some have the famous play-of-color while others appear in just a single color.

A of the more well-known ones include:

Black Opal Price

As with nearly all gemstones, it is the color of the Black opal that is the highest consideration when setting its price. However, there are a few more aspects to consider when it comes to opals:

  • Coverage - how much of the gemstone surface shows color
  • Contrast - a striking difference between the color and background will increase the value
  • The color itself - red and orange colors are rarer and more expensive than blue or purple tones
  • Patterns - certain recognized patterns of color such as Chinese Writing or Harlequin are much sought after
  • Origin - Black Opals can be found in various location but those from Australia are the most expensive

Black Opals are all unique one-of-a-kind gemstones so individual choice will always play its part it deciding which is the best color or pattern for you.

Carat Weight

Once all the color factors have been taken into account we can then think about the carat weight. The vast majority of Black Opals are less than 10 carats in weight and anything bigger than that with good color and contrast will be very precious indeed.

It is best to choose your Black Opal based on the physical size - the length, width and height - rather than carat size. Also look at the roundness of the cabochon cut in your gemstone. Nice big domes can show off the color a lot better than flat versions.

The finest quality stock from Australia with bold bright colors can be hundreds of dollars per carat while the Black Opals from other parts of the world can be between $15 and $40 per carat.

Treatments

The big selling point of Black Opals is the contrast between the bright colors and the dark background. It is almost impossible to convincingly alter or replicate the play-of-color in an opal but to darken the background is not so hard. Smoking or a combination of sugar and heat can produce a deep colored base for the colors to be displayed.

All treatments received by any of our gemstones are clearly disclosed.

Where are Black Opals found?

Almost all Black Opals are mined in Lightning Ridge, a town in northern New South Wales in Australia while another source is Ethiopia in north east Africa.

What jewelry is Black Opal suitable for?

Black Opals have a rating of 5.5 to 6.5 on Mohs hardness scale. This makes them a little bit fragile for many types of jewelry items and not suitable for daily wear unless placed in protective settings.

Earrings, pendants, brooches are no problem and items such as cufflinks and tie pins make use of the deep masculine colors much admired in men's jewelry.

Birthstones and Anniversaries

Black Opals are the birthstone of October and would make a perfect gift for anyone who has a birthday in that month.

A Black Opal is the traditional gemstone gift for the 14th wedding anniversary.

Read All

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Overall Rating -> 10 star ratings

I FOUND WHAT I WANT IT

Posted By GABY in March, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I had a great time searching all the lovely stones. This is my first precious loose stone purchase for my own work. I chose sapphire, and found some lovely briolettes. I wanted 3, but this set of 4 was perfect. Everything was quick and easy, and I'm excited.

Posted By Phoenix in February, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

So many gorgeous stones! The only "complaint" I have is it's difficult to visualize sizes in mm. Perhaps some way to compare in inches?It has been a long time since I bought stones from Gem select, but the process wasn't too difficult.

Posted By Ktreva52 in February, 2024
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Overall Rating -> 9 star ratings

An it was good.

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Overall Rating -> 10 star ratings

I really enjoy browsing through GemSelect. The selection is always marvelous and I love how detailed everything is described. The only thing I noticed is that when browsing through my phone, the videos of the gems do not load. If there were more videos of the gems, that would be amazing, though I understand that is a lot of work on GemSelect's part! Checking out is also very fast and easy, and I love that the return policy is very good, though I hope I don't have to use it anytime soon.

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Source: Bizrate

Overall Rating -> 10 star ratings

I have used this site for sseveral years now. All has been great. I started collection gems from GemSelect for years and wanted to collect at least one of most stones. I loved Safers because the mols is a 9 + and they come in every color. This is the best place to buy gems for the assortment and price. Great place to learn about gems too. Sometimes the shipping is a little on the long side. But I would give them a 9.9 out of 10 !!

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Source: Bizrate

Overall Rating -> 10 star ratings

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Overall Rating -> 10 star ratings

After having looked at other purchasing sites, this is my first choice.

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Overall Rating -> 10 star ratings

I have received emails for about a year and today is the condition that had me decide on the purchase

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Overall Rating -> 10 star ratings

No issues at all. It was great.

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Overall Rating -> 10 star ratings

it was good

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