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6.79 ctw Black Onyx Gemstones, Onyx Gems in Trillion Cabochon Shape for Sale.
Photos are of Actual Products for Sale
6.79 ctw Black Onyx Stones, Natural Onyx in Trillion Cabochon Shape for Sale Onyx Gemstones in 9.9 x 9.4 mm Size for Sale, Onyx Stones in Black Color

6.79ct Natural Black Onyx Gems, Trillion, Opaque

9.2 out of 10
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Onyx Product ID: 668905
Type: Onyx
Onyx Weight: 6.79 ct (total) Onyx 2 gems
avg. 3.40 ct
Onyx Size: mm calibrated Onyx
Onyx Size: 9.9 x 9.4 x 5.2 mm Onyx
Onyx Exact Size: 9.89 x 9.36 x 5.18 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: 2 pcs
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  • Natural certified gemstones

    Gemstone Laboratories
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$
6.79
Item in Stock
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Product Description

These are 6.79 carat natural black Onyx gems, 2 pcs in trillion shape with an exact size of 9.89 x 9.36 x 5.18 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
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I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
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Great selection of gems at a reasonable price

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Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
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A pleasant experience and many choices to choose from

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Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
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Good. I ts very user friendly.

Posted By Shalini in June, 2025
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Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
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