Loose Onyx Gemstones: Black Onyx, White Onyx and Banded Onyx for Jewelry | Onyx Carvings
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Bi-color
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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 |
1.61ct Black Onyx, Round, Opaque
7 mm (calibrated)
$ 3.20
21.79ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 21.70
3.10ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.18
9.65ctw Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.61
19.74ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 39.33
4.40ct Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 4.38
8.77ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 8.73
15.16ct Black Onyx, Pear Shape, Opaque
26.9 x 14.8 mm
$ 15.10
10.14ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.10
1.99ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 3.97
11.43ct Black Onyx, Pear Shape, Opaque
19.1 x 14.5 mm
$ 11.39
4.88ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.72
2.89ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 5.76
1.98ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 3.94
4.36ct Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 4.34
10.69ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.65
20.01ct Black Onyx, Pear Shape, Opaque
24.8 x 15 mm
$ 19.93
4.10ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 4.08
2.10ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.18
8.18ctw Black Onyx, Oval, Opaque
13 x 11 mm (calibrated)
$ 16.29
9.19ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.15
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 8.45
2.86ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 5.69
8.56ctw Black Onyx, Heart, Opaque
10.5 x 10.3 mm
$ 8.52
Why Buy 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 -> 10 
Easy and good price
Overall Rating -> 10
The stones are very nice.
Overall Rating -> 10
So far So good
Overall Rating -> 10
GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Overall Rating -> 10
the selection is good as are the prices
