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8.63 ctw Black Onyx Gemstones, Onyx Gems in Heart Cabochon Shape for Sale.
Photos are of Actual Products for Sale
8.63 ctw Black Onyx Stones, Natural Onyx in Heart Cabochon Shape for Sale Onyx Gemstones in 10 x 10 mm (calibrated) Size for Sale, Onyx Stones in Black Color

8.63ct Natural Black Onyx, Heart Shape, 10.2x10.1 mm

9.8 out of 10
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Onyx Product ID: 669107
Type: Onyx
Onyx Weight: 8.63 ct (total) Onyx 2 gems
avg. 4.32 ct
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.2 x 10.1 x 5.4 mm Onyx
Onyx Exact Size: 10.15 x 10.14 x 5.42 mm
Length x Width x Depth
Onyx Shape: Heart 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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$
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Product Description

These are 8.63 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.15 x 10.14 x 5.42 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

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Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
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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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Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
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Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
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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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