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Home Gemstones Onyx
3.30 ct Black Onyx Gemstone, Onyx Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
3.30 ct Black Onyx Stone, Natural Onyx in Trillion Cabochon Shape for Sale Onyx Gemstone in 9.9 x 9.4 mm Size for Sale, Onyx Stone in Black Color

3.30ct Natural Black Onyx, Trillion, 9.9x9.4 mm

9.4 out of 10
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Product ID: 669124
Type: Onyx
Weight: 3.30 ct 1 gem
Size: mm calibrated
Size: 9.9 x 9.4 x 5.2 mm
Exact Size: 9.89 x 9.36 x 5.16 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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$
3.29
Quantity
2 pieces available
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Product Description

This is a 3.30 carat natural black Onyx gem, 1 pc in trillion shape with an exact size of 9.89 x 9.36 x 5.16 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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Love how easy the site is to use. Really love that the pictures are of actual product.

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Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

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Good selection prices are reasonable!

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Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

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Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
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Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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