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Buy White Onyx Gems

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4.14ct Natural Black Onyx, Heart, Opaque, Photo A

4.14ct Natural Black Onyx, Heart, Opaque

Onyx

4.14ct1 pc
$ 4.97
10.4 x 10.4 mm
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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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1.42ct Natural Black Onyx, Round, Opaque, Photo A

1.42ct Natural Black Onyx, Round, Opaque

Onyx

1.42ct1 pc
$ 3.41
7 mm (calibrated)
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19.31ct Natural Black Onyx, Oval, Opaque, Photo A

19.31ct Natural Black Onyx, Oval, Opaque

Onyx

19.31ct1 pc
$ 46.34
25 x 18 mm (calibrated)
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9.68ctw Natural Black Onyx, Cushion, Opaque, Photo A

9.68ctw Natural Black Onyx, Cushion, Opaque

Onyx

9.68ct total2 pcs
$ 11.62
11 x 11 mm (calibrated)
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9.32ct Natural Black Onyx, Pear Shape, Opaque, Photo A

9.32ct Natural Black Onyx, Pear Shape, Opaque

Onyx

9.32ct1 pc
$ 11.18
18 x 13 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
$ 5.06
5.5 mm (calibrated)
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1.63ct Natural Black Onyx, Round, Opaque, Photo A

1.63ct Natural Black Onyx, Round, Opaque

Onyx

1.63ct1 pc
$ 3.91
7 mm (calibrated)
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8.49ctw Natural Black Onyx, Heart, Opaque, Photo A

8.49ctw Natural Black Onyx, Heart, Opaque

Onyx

8.49ct total2 pcs
$ 10.19
10.5 x 10.3 mm
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26.38ct Natural Black Onyx, Baguette, Opaque, Photo A

26.38ct Natural Black Onyx, Baguette, Opaque

Onyx

26.38ct1 pc
$ 31.66
23.1 x 18 mm
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10.14ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.14ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.14ct1 pc
$ 12.17
18 x 13 mm (calibrated)
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8.01ctw Natural Black Onyx, Oval, Opaque, Photo A

8.01ctw Natural Black Onyx, Oval, Opaque

Onyx

8.01ct total2 pcs
$ 19.22
13 x 11 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
$ 5.35
10.5 x 10.5 mm
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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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19.41ct Natural Black Onyx, Oval, Opaque, Photo A

19.41ct Natural Black Onyx, Oval, Opaque

Onyx

19.41ct1 pc
$ 46.58
25 x 18 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
$ 3.79
9.8 x 9.3 mm
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10.50ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.50ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.50ct1 pc
$ 12.60
18 x 13 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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8.66ctw Natural Black Onyx, Heart, Opaque, Photo A

8.66ctw Natural Black Onyx, Heart, Opaque

Onyx

8.66ct total2 pcs
$ 10.39
10 x 10 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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19.62ctw Natural Black Onyx, Pear Shape, Opaque, Photo A

19.62ctw Natural Black Onyx, Pear Shape, Opaque

Onyx

19.62ct total2 pcs
$ 23.54
18 x 13 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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4.88ct Natural Black Onyx, Cushion, Opaque, Photo A

4.88ct Natural Black Onyx, Cushion, Opaque

Onyx

4.88ct1 pc
$ 11.71
11 x 11 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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12.12ct Natural Black Onyx, Oval, Opaque, Photo A

12.12ct Natural Black Onyx, Oval, Opaque

Onyx

12.12ct1 pc
$ 29.09
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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4.19ct Natural Black Onyx, Heart, Opaque, Photo A

4.19ct Natural Black Onyx, Heart, Opaque

Onyx

4.19ct1 pc
$ 5.03
10.4 x 10.4 mm
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4.54ct Natural Black Onyx, Cushion, Opaque, Photo A

4.54ct Natural Black Onyx, Cushion, Opaque

Onyx

4.54ct1 pc
$ 10.90
11 x 11 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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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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8.51ct Natural Black Onyx, Pear Shape, Opaque, Photo A

8.51ct Natural Black Onyx, Pear Shape, Opaque

Onyx

8.51ct1 pc
$ 10.21
16.8 x 11.6 mm
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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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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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate
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