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 |
1.23ct Black Onyx, Round, Opaque
7 mm (calibrated)
$ 2.45
3.35ct Black Onyx, Trillion, Opaque
9.9 x 9.3 mm
$ 3.34
8.11ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 8.08
3.22ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 6.42
4.14ct Black Onyx, Heart, Opaque
10.4 x 10.4 mm
$ 4.13
4.35ct Black Onyx, Heart, Opaque
10.5 x 10.4 mm
$ 4.33
8.01ctw Black Onyx, Oval, Opaque
13 x 11 mm (calibrated)
$ 15.95
8.06ctw Black Onyx, Oval, Opaque
13 x 11 mm (calibrated)
$ 16.05
20.42ctw Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 20.34
33.29ct Black Onyx, Oval, Opaque
23.4 x 21.4 mm
$ 33.16
9.50ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 9.46
1.78ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 3.54
4.74ct Black Onyx, Cushion, Opaque
11 x 11 mm (calibrated)
$ 9.45
2.83ctw Black Onyx, Round, Opaque
7 mm (calibrated)
$ 5.64
13.39ct Black Onyx, Pear Shape, Opaque
18.3 x 14.1 mm
$ 13.34
2.24ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.47
4.24ct Black Onyx, Heart, Opaque
10 x 10 mm (calibrated)
$ 4.22
10.08ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.04
19.31ct Black Onyx, Oval, Opaque
25 x 18 mm (calibrated)
$ 38.46
10.30ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 10.26
2.33ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.64
2.19ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.37
2.16ctw Black Onyx, Round, Opaque
5.5 mm (calibrated)
$ 4.30
11.38ct Black Onyx, Pear Shape, Opaque
18 x 13 mm (calibrated)
$ 11.34
Why Buy 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've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Overall Rating -> 10
Good selection prices are reasonable!
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
I love the products. I've bought them as gifts and people love my gifts
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Overall Rating -> 10
It was all good
