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21.71 ctw Black Onyx Gemstones, Onyx Gems in Pear Checkerboard Shape for Sale.
Photos are of Actual Products for Sale
21.71 ctw Black Onyx Stones, Natural Onyx in Pear Checkerboard Shape for Sale Onyx Gemstones in 18 x 13 mm (calibrated) Size for Sale, Onyx Stones in Black Color

21.71ct Natural Black Onyx, Pear Shape, 17.9x13 mm

9.6 out of 10
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Product ID: 722136
Type: Onyx
Weight: 21.71 ct (total) 2 gems
avg. 10.86 ct
Size: 18 x 13 mm calibrated
Size: 17.9 x 13 x 6.9 mm
Exact Size: 17.86 x 12.97 x 6.94 mm
Length x Width x Depth
Shape: Pear Checkerboard
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 2 pcs
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  • Natural certified gemstones

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$
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Product Description

These are 21.71 carat natural black Onyx gems, 2 pcs in pear shape shape with an exact size of 17.86 x 12.97 x 6.94 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
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Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
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Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
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Download Identification Report PDF
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Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image