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White Onyx for Sale

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1.48ct Natural Black Onyx, Round, Opaque, Photo A

1.48ct Natural Black Onyx, Round, Opaque

Onyx

1.48ct1 pc
$ 3.55
7 mm (calibrated)
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2.36ctw Natural Black Onyx, Round, Opaque, Photo A

2.36ctw Natural Black Onyx, Round, Opaque

Onyx

2.36ct total2 pcs
$ 5.66
5.5 mm (calibrated)
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8.69ctw Natural Black Onyx, Heart, Opaque, Photo A

8.69ctw Natural Black Onyx, Heart, Opaque

Onyx

8.69ct total2 pcs
$ 10.43
10.5 x 10.4 mm
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4.24ct Natural Black Onyx, Heart, Opaque, Photo A

4.24ct Natural Black Onyx, Heart, Opaque

Onyx

4.24ct1 pc
$ 5.09
10 x 10 mm (calibrated)
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9.80ct Natural Black Onyx, Pear Shape, Opaque, Photo A

9.80ct Natural Black Onyx, Pear Shape, Opaque

Onyx

9.80ct1 pc
$ 11.76
18 x 13 mm (calibrated)
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4.66ct Natural Black Onyx, Cushion, Opaque, Photo A

4.66ct Natural Black Onyx, Cushion, Opaque

Onyx

4.66ct1 pc
$ 11.18
11 x 11 mm (calibrated)
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1.59ct Natural Black Onyx, Round, Opaque, Photo A

1.59ct Natural Black Onyx, Round, Opaque

Onyx

1.59ct1 pc
$ 3.82
7 mm (calibrated)
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2.06ctw Natural Black Onyx, Round, Opaque, Photo A

2.06ctw Natural Black Onyx, Round, Opaque

Onyx

2.06ct total2 pcs
$ 4.94
5.5 mm (calibrated)
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8.54ctw Natural Black Onyx, Heart, Opaque, Photo A

8.54ctw Natural Black Onyx, Heart, Opaque

Onyx

8.54ct total2 pcs
$ 10.25
10.5 x 10.4 mm
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19.58ct Natural Black Onyx, Oval, Opaque, Photo A

19.58ct Natural Black Onyx, Oval, Opaque

Onyx

19.58ct1 pc
$ 46.99
25 x 18 mm (calibrated)
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8.66ctw Natural Black Onyx, Heart, Opaque, Photo A

8.66ctw Natural Black Onyx, Heart, Opaque

Onyx

8.66ct total2 pcs
$ 10.39
10.5 x 10.3 mm
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8.57ctw Natural Black Onyx, Heart, Opaque, Photo A

8.57ctw Natural Black Onyx, Heart, Opaque

Onyx

8.57ct total2 pcs
$ 10.28
10.5 x 10.3 mm
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21.82ctw Natural Black Onyx, Pear Shape, Opaque, Photo A

21.82ctw Natural Black Onyx, Pear Shape, Opaque

Onyx

21.82ct total2 pcs
$ 26.18
18 x 13 mm (calibrated)
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4.83ct Natural Black Onyx, Cushion, Opaque, Photo A

4.83ct Natural Black Onyx, Cushion, Opaque

Onyx

4.83ct1 pc
$ 11.59
11 x 11 mm (calibrated)
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2.24ctw Natural Black Onyx, Round, Opaque, Photo A

2.24ctw Natural Black Onyx, Round, Opaque

Onyx

2.24ct total2 pcs
$ 5.38
5.5 mm (calibrated)
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8.64ctw Natural Black Onyx, Heart, Opaque, Photo A

8.64ctw Natural Black Onyx, Heart, Opaque

Onyx

8.64ct total2 pcs
$ 10.37
10.5 x 10.3 mm
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8.06ctw Natural Black Onyx, Oval, Opaque, Photo A

8.06ctw Natural Black Onyx, Oval, Opaque

Onyx

8.06ct total2 pcs
$ 19.34
13 x 11 mm (calibrated)
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10.04ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.04ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.04ct1 pc
$ 12.05
18 x 13 mm (calibrated)
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8.67ctw Natural Black Onyx, Heart, Opaque, Photo A

8.67ctw Natural Black Onyx, Heart, Opaque

Onyx

8.67ct total2 pcs
$ 10.40
10 x 10 mm (calibrated)
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10.51ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.51ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.51ct1 pc
$ 12.61
18 x 13 mm (calibrated)
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9.20ct Natural Black Onyx, Pear Shape, Opaque, Photo A

9.20ct Natural Black Onyx, Pear Shape, Opaque

Onyx

9.20ct1 pc
$ 11.04
18 x 13 mm (calibrated)
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1.98ctw Natural Black Onyx, Round, Opaque, Photo A

1.98ctw Natural Black Onyx, Round, Opaque

Onyx

1.98ct total2 pcs
$ 4.75
5.5 mm (calibrated)
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8.80ct Natural Black Onyx, Pear Shape, Opaque, Photo A

8.80ct Natural Black Onyx, Pear Shape, Opaque

Onyx

8.80ct1 pc
$ 10.56
14.8 x 9.2 mm
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13.39ct Natural Black Onyx, Pear Shape, Opaque, Photo A

13.39ct Natural Black Onyx, Pear Shape, Opaque

Onyx

13.39ct1 pc
$ 16.07
18.3 x 14.1 mm
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1.23ct Natural Black Onyx, Round, Opaque, Photo A

1.23ct Natural Black Onyx, Round, Opaque

Onyx

1.23ct1 pc
$ 2.95
5.5 mm (calibrated)
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8.54ctw Natural Black Onyx, Heart, Opaque, Photo A

8.54ctw Natural Black Onyx, Heart, Opaque

Onyx

8.54ct total2 pcs
$ 10.25
10 x 10 mm (calibrated)
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20.38ct Natural Black Onyx, Pear Shape, Opaque, Photo A

20.38ct Natural Black Onyx, Pear Shape, Opaque

Onyx

20.38ct1 pc
$ 24.46
25 x 18 mm (calibrated)
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2.24ctw Natural Black Onyx, Round, Opaque, Photo A

2.24ctw Natural Black Onyx, Round, Opaque

Onyx

2.24ct total2 pcs
$ 5.38
5.5 mm (calibrated)
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4.70ct Natural Black Onyx, Cushion, Opaque, Photo A

4.70ct Natural Black Onyx, Cushion, Opaque

Onyx

4.70ct1 pc
$ 11.28
11 x 11 mm (calibrated)
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1.70ctw Natural Black Onyx, Round, Opaque, Photo A

1.70ctw Natural Black Onyx, Round, Opaque

Onyx

1.70ct total2 pcs
$ 3.40
5.5 mm (calibrated)
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9.50ct Natural Black Onyx, Pear Shape, Opaque, Photo A

9.50ct Natural Black Onyx, Pear Shape, Opaque

Onyx

9.50ct1 pc
$ 11.40
18 x 13 mm (calibrated)
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3.30ct Natural Black Onyx, Trillion, Opaque, Photo A

3.30ct Natural Black Onyx, Trillion, Opaque

Onyx

3.30ct1 pc
$ 3.96
9.9 x 9.4 mm
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Why Buy White Onyx from GemSelect?

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
Enlarged Gemstone Image