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White Onyx for Sale

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3.03ctw Natural Black Onyx, Round, Opaque, Photo A

3.03ctw Natural Black Onyx, Round, Opaque

Onyx

3.03ct total2 pcs
$ 6.03
7 mm (calibrated)
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2.11ctw Natural Black Onyx, Round, Opaque, Photo A

2.11ctw Natural Black Onyx, Round, Opaque

Onyx

2.11ct total2 pcs
$ 4.20
5.5 mm (calibrated)
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19.68ct Natural Black Onyx, Oval, Opaque, Photo A

19.68ct Natural Black Onyx, Oval, Opaque

Onyx

19.68ct1 pc
$ 39.20
25 x 18 mm (calibrated)
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4.19ct Natural Black Onyx, Heart, Opaque, Photo A

4.19ct Natural Black Onyx, Heart, Opaque

Onyx

4.19ct1 pc
$ 4.17
10.4 x 10.3 mm
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21.26ct Natural Black Onyx, Pear Shape, Opaque, Photo A

21.26ct Natural Black Onyx, Pear Shape, Opaque

Onyx

21.26ct1 pc
$ 21.17
25 x 18 mm (calibrated)
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4.46ct Natural Black Onyx, Heart, Opaque, Photo A

4.46ct Natural Black Onyx, Heart, Opaque

Onyx

4.46ct1 pc
$ 4.44
10.5 x 10.5 mm
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2.61ctw Natural Black Onyx, Round, Opaque, Photo A

2.61ctw Natural Black Onyx, Round, Opaque

Onyx

2.61ct total2 pcs
$ 5.20
7 mm (calibrated)
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4.77ct Natural Black Onyx, Cushion, Opaque, Photo A

4.77ct Natural Black Onyx, Cushion, Opaque

Onyx

4.77ct1 pc
$ 9.50
11 x 11 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
$ 9.76
18 x 13 mm (calibrated)
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10.59ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.59ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.59ct1 pc
$ 10.55
18 x 13 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
$ 8.66
10.5 x 10.4 mm
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4.33ct Natural Black Onyx, Heart, Opaque, Photo A

4.33ct Natural Black Onyx, Heart, Opaque

Onyx

4.33ct1 pc
$ 4.32
10 x 10 mm (calibrated)
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10.05ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.05ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.05ct1 pc
$ 10.01
18 x 13 mm (calibrated)
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3.35ct Natural Black Onyx, Trillion, Opaque, Photo A

3.35ct Natural Black Onyx, Trillion, Opaque

Onyx

3.35ct1 pc
$ 3.34
9.9 x 9.3 mm
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4.20ct Natural Black Onyx, Heart, Opaque, Photo A

4.20ct Natural Black Onyx, Heart, Opaque

Onyx

4.20ct1 pc
$ 4.18
10 x 10 mm (calibrated)
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8.43ctw Natural Black Onyx, Heart, Opaque, Photo A

8.43ctw Natural Black Onyx, Heart, Opaque

Onyx

8.43ct total2 pcs
$ 8.40
10.4 x 10.4 mm
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2.84ctw Natural Black Onyx, Round, Opaque, Photo A

2.84ctw Natural Black Onyx, Round, Opaque

Onyx

2.84ct total2 pcs
$ 4.71
7 mm (calibrated)
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3.16ct Natural Black Onyx, Trillion, Opaque, Photo A

3.16ct Natural Black Onyx, Trillion, Opaque

Onyx

3.16ct1 pc
$ 3.15
9.8 x 9.3 mm
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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
$ 20.30
25 x 18 mm (calibrated)
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4.19ct Natural Black Onyx, Heart, Opaque, Photo A

4.19ct Natural Black Onyx, Heart, Opaque

Onyx

4.19ct1 pc
$ 4.17
10.4 x 10.4 mm
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1.58ct Natural Black Onyx, Round, Opaque, Photo A

1.58ct Natural Black Onyx, Round, Opaque

Onyx

1.58ct1 pc
$ 3.15
7 mm (calibrated)
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19.24ct Natural Black Onyx, Pear Shape, Opaque, Photo A

19.24ct Natural Black Onyx, Pear Shape, Opaque

Onyx

19.24ct1 pc
$ 19.16
24.9 x 16.9 mm
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10.99ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.99ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.99ct1 pc
$ 10.95
18 x 13 mm (calibrated)
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4.35ct Natural Black Onyx, Heart, Opaque, Photo A

4.35ct Natural Black Onyx, Heart, Opaque

Onyx

4.35ct1 pc
$ 4.33
10.5 x 10.3 mm
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2.31ctw Natural Black Onyx, Round, Opaque, Photo A

2.31ctw Natural Black Onyx, Round, Opaque

Onyx

2.31ct total2 pcs
$ 4.60
6.5 mm (calibrated)
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3.10ctw Natural Black Onyx, Round, Opaque, Photo A

3.10ctw Natural Black Onyx, Round, Opaque

Onyx

3.10ct total2 pcs
$ 6.18
7 mm (calibrated)
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3.20ctw Natural Black Onyx, Round, Opaque, Photo A

3.20ctw Natural Black Onyx, Round, Opaque

Onyx

3.20ct total2 pcs
$ 6.37
7 mm (calibrated)
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8.71ctw Natural Black Onyx, Heart, Opaque, Photo A

8.71ctw Natural Black Onyx, Heart, Opaque

Onyx

8.71ct total2 pcs
$ 8.67
10.5 x 10.4 mm
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2.10ctw Natural Black Onyx, Round, Opaque, Photo A

2.10ctw Natural Black Onyx, Round, Opaque

Onyx

2.10ct total2 pcs
$ 4.18
5.5 mm (calibrated)
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11.28ct Natural Black Onyx, Pear Shape, Opaque, Photo A

11.28ct Natural Black Onyx, Pear Shape, Opaque

Onyx

11.28ct1 pc
$ 11.24
18 x 13 mm (calibrated)
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3.07ctw Natural Black Onyx, Round, Opaque, Photo A

3.07ctw Natural Black Onyx, Round, Opaque

Onyx

3.07ct total2 pcs
$ 6.12
7 mm (calibrated)
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8.11ct Natural Black Onyx, Pear Shape, Opaque, Photo A

8.11ct Natural Black Onyx, Pear Shape, Opaque

Onyx

8.11ct1 pc
$ 8.08
18 x 13 mm (calibrated)
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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 had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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