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8.66 ctw Black Onyx Gemstones, Onyx Gems in Heart Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
8.66 ctw Black Onyx Stones, Natural Onyx in Heart Rose-Cut Shape for Sale Onyx Gemstones in 10.5 x 10.3 mm Size for Sale, Onyx Stones in Black Color

8.66ct Natural Black Onyx Gems, Heart Shape, Opaque

9.7 out of 10
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Onyx Product ID: 721544
Type: Onyx
Onyx Weight: 8.66 ct (total) Onyx 2 gems
avg. 4.33 ct
Onyx Size: mm calibrated Onyx
Onyx Size: 10.5 x 10.3 x 4.8 mm Onyx
Onyx Exact Size: 10.48 x 10.34 x 4.80 mm
Length x Width x Depth
Onyx Shape: Heart Rose-Cut 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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$
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Product Description

These are 8.66 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.48 x 10.34 x 4.80 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
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It was easy to navigate

Posted By GemGod in July, 2025
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Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 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 -> 9 star ratings

It was great!

Posted By Annie in September, 2025
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Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

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

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
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went well

Posted By Doug in May, 2025
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First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
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