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15.08 ct Black Onyx Gemstone, Onyx Gem in Drilled Sphere Shape for Sale.
Photos are of Actual Products for Sale
15.08 ct Black Onyx Stone, Natural Onyx in Drilled Sphere Shape for Sale Onyx Gemstone in 10.5 mm Size for Sale, Onyx Stone in Black Color

Ct Natural Black Onyx, Sphere / Ball, 10.51 mm

9.8 out of 10
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Onyx Product ID: 361878
Type: Onyx
Onyx Weight: ct (total) Onyx 2 gems
avg. 15.08 ct
Onyx Size: mm calibrated Onyx
Onyx Size: 10.5 mm Onyx
Onyx Exact Size: 10.51 mm
Diameter
Onyx Shape: Drilled Sphere Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: India Onyx
Content: 2 pcs
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  • Natural certified gemstones

    Gemstone Laboratories
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  • 30-day risk free return policy

$
7.54
Item is Sold
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Product Description

These are carat natural black Onyx gems, 2 pcs in sphere / ball shape with an exact size of 10.51 mm (avg.). These loose Onyx gemstones were mined in India and their 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 -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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 -> 8 star ratings

Good prices

Posted By TRM in October, 2025
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Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate
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