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Home Gemstones Onyx
10.32 ct Black Onyx Gemstone, Onyx Gem in Pear Checkerboard Shape for Sale.
Photos are of Actual Product for Sale
10.32 ct Black Onyx Stone, Natural Onyx in Pear Checkerboard Shape for Sale Onyx Gemstone in 18 x 13 mm (calibrated) Size for Sale, Onyx Stone in Black Color

10.32ct Natural Black Onyx, Pear Shape, 17.8x12.8 mm

9.7 out of 10
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Product ID: 721794
Type: Onyx
Weight: 10.32 ct 1 gem
Size: 18 x 13 mm calibrated
Size: 17.8 x 12.8 x 6.7 mm
Exact Size: 17.77 x 12.83 x 6.66 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 10.32 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 17.77 x 12.83 x 6.66 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
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Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
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Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
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