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 |
11.00ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.96
2.10ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.18
2.11ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.20
19.62ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 19.54
19.31ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 38.46
8.25ctw Black Onyx, Oval, Opaque
13 x 11 mm (calibrated)
$ 16.43
20.08ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 20.00
1.96ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 3.90
21.71ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 21.62
13.39ct Black Onyx, Pear Shape, Opaque
18.3 x 14.1 mm
$ 13.34
19.42ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 38.69
20.88ct Black Onyx, Oval, Opaque
22.1 x 15.8 mm
$ 93.58
8.42ctw Black Onyx, Heart, Opaque
10.4 x 10.3 mm
$ 8.38
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 8.45
2.04ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.07
2.20ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.38
20.03ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 19.95
19.71ct Black Onyx, Pear Shape, Opaque
25 x 18 mm (calibrated)
$ 19.63
3.14ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.26
8.43ctw Black Onyx, Heart, Opaque
10.4 x 10.4 mm
$ 8.40
3.22ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.42
1.61ct Black Onyx, Round, Opaque
7 mm (calibrated)
$ 3.20
11.43ct Black Onyx, Pear Shape, Opaque
19.1 x 14.5 mm
$ 11.39
9.62ctw Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.58
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 -> 9 
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 8 
I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.
Overall Rating -> 10 
I am filling a small treasure chest and picked a nice amethyst.
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Overall Rating -> 10
Easy and good price
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
