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16.43 ct Black Onyx Gemstone, Onyx Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
16.43 ct Black Onyx Stone, Natural Onyx in Oval Cabochon Shape for Sale Onyx Gemstone in 21.9 x 18.7 mm Size for Sale, Onyx Stone in Black Color

16.43ct Natural Black Onyx, Oval Cut, 21.9x18.7 mm

9.6 out of 10
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Product ID: 673310
Type: Onyx
Weight: 16.43 ct 1 gem
Size: mm calibrated
Size: 21.9 x 18.7 x 6.2 mm
Exact Size: 21.90 x 18.67 x 6.23 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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Product Description

This is a 16.43 carat natural black Onyx gem, 1 pc in oval shape with an exact size of 21.90 x 18.67 x 6.23 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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Overall Rating -> 10 star ratings

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Posted By Elansary in March, 2026
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Posted By ToRa62 in April, 2026
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Posted By Beman in September, 2025
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Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

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Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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