Black Onyx Gemstones- In Stock, ready to Ship | GemSelect
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Bi-color
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Black Black Onyx
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Blue
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Brown
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Golden
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Gray
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Green
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 4.22
3.16ct Black Onyx, Trillion, Opaque
9.8 x 9.3 mm
$ 3.15
2.24ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.47
9.48ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.45
10.14ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.10
4.71ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.38
8.57ctw Black Onyx, Heart, Opaque
10.5 x 10.5 mm
$ 8.53
3.35ct Black Onyx, Trillion, Opaque
9.9 x 9.3 mm
$ 3.34
3.27ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.52
8.67ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 7.20
13.39ct Black Onyx, Pear Shape, Opaque
18.3 x 14.1 mm
$ 13.34
1.98ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 3.94
9.62ctw Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.58
3.36ctw Black Onyx, Round, Opaque
7.5 mm (calibrated)
$ 6.69
8.49ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 8.46
9.47ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.43
4.85ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.66
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 8.45
21.79ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 21.70
4.20ct Black Onyx, Oval, Opaque
13 x 11 mm (calibrated)
$ 8.37
1.23ct Black Onyx, Round, Opaque
7 mm (calibrated)
$ 2.45
2.16ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.30
3.10ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.18
8.50ctw Black Onyx, Heart, Opaque
10.4 x 10.4 mm
$ 8.47
Why Buy Black Onyx from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
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GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 9 
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 10 
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
It was all good
Overall Rating -> 10
Easy to use website
Overall Rating -> 10
My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.
Overall Rating -> 10
Very neat and to the point
