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 |
32.30ct Black Onyx, Round, Opaque
25.6 mm
$ 32.17
22.42ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 18.61
3.11ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.19
8.89ctw Black Onyx, Heart, Opaque
10.5 x 10.5 mm
$ 8.86
8.25ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 8.22
4.92ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.80
2.86ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 5.69
8.66ctw Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 8.62
9.68ctw Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.64
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 4.22
8.80ct Black Onyx, Pear Shape, Opaque
14.8 x 9.2 mm
$ 8.76
16.43ct Black Onyx, Oval, Opaque
21.9 x 18.7 mm
$ 32.73
10.69ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.65
17.54ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 17.47
4.46ct Black Onyx, Heart, Opaque
10.5 x 10.5 mm
$ 4.44
2.90ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 5.78
8.56ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 8.52
8.69ctw Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 8.66
15.16ct Black Onyx, Pear Shape, Opaque
26.9 x 14.8 mm
$ 15.10
8.61ctw Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 8.57
24.74ct Black Onyx, Oval, Opaque
25.7 x 19.6 mm
$ 24.64
19.31ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 38.46
9.65ctw Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.61
10.11ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.07
Why Buy Black Onyx from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
Overall Rating -> 9 
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 9
Everything was good, the purchase was what I expected and what they show is what you get.
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
It was all good
Overall Rating -> 10
Good selection prices are reasonable!
