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Home Gemstones Onyx
8.51 ct Black Onyx Gemstone, Onyx Gem in Pear Checkerboard Shape for Sale.
Photos are of Actual Product for Sale
8.51 ct Black Onyx Stone, Natural Onyx in Pear Checkerboard Shape for Sale Onyx Gemstone in 16.8 x 11.6 mm Size for Sale, Onyx Stone in Black Color

8.51ct Natural Black Onyx, Pear Shape, 16.8x11.6 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 722399
Type: Onyx
Weight: 8.51 ct 1 gem
Size: mm calibrated
Size: 16.8 x 11.6 x 6.7 mm
Exact Size: 16.77 x 11.62 x 6.65 mm
Length x Width x Depth
Shape: Pear Checkerboard
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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Product Description

This is a 8.51 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 16.77 x 11.62 x 6.65 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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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

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
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

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate
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