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 |
22.42ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 18.61
32.30ct Black Onyx, Round, Opaque
25.6 mm
$ 32.17
4.70ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.36
3.14ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.26
4.35ct Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 4.33
4.56ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.08
9.47ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.43
2.11ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.20
8.51ct Black Onyx, Pear Shape, Opaque
16.8 x 11.6 mm
$ 8.47
4.20ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 4.18
1.08ct Black Onyx, Round, Opaque
7 mm (calibrated)
$ 2.15
19.82ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 39.48
8.92ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 8.88
10.00ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.96
8.43ctw Black Onyx, Heart, Opaque
10.4 x 10.4 mm
$ 8.40
8.66ctw Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 8.62
8.67ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 7.20
9.82ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.78
2.31ctw Black Onyx, Round, Opaque
6.5 mm (calibrated)
$ 4.60
10.59ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.55
21.42ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 21.33
21.84ct Black Onyx, Oval, Opaque
22 x 15.9 mm
$ 97.89
4.31ct Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 4.29
15.16ct Black Onyx, Pear Shape, Opaque
26.9 x 14.8 mm
$ 15.10
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 -> 8 
It was fine
Overall Rating -> 10 
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 7 
easy interface for a pricless buy
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 9 
Very easy to navigate with a great selection.
Overall Rating -> 10
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