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3.35 ct Black Onyx Gemstone, Onyx Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
3.35 ct Black Onyx Stone, Natural Onyx in Trillion Cabochon Shape for Sale Onyx Gemstone in 9.9 x 9.3 mm Size for Sale, Onyx Stone in Black Color

3.35ct Natural Black Onyx, Trillion, Opaque

9.2 out of 10
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Onyx Product ID: 669133
Type: Onyx
Onyx Weight: 3.35 ct Onyx 1 gem
Onyx Size: mm calibrated Onyx
Onyx Size: 9.9 x 9.3 x 5 mm Onyx
Onyx Exact Size: 9.86 x 9.31 x 4.98 mm
Length x Width x Depth
Onyx Shape: Trillion Cabochon Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka Onyx
Content: 1 pc
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    Gemstone Laboratories
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  • 30-day risk free return policy

$
4.02
Quantity
4 pieces available
Item in Stock
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Product Description

This is a 3.35 carat natural black Onyx gem, 1 pc in trillion shape with an exact size of 9.86 x 9.31 x 4.98 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
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Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
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Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
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Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

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

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
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Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
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Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Enlarged Gemstone Image