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8.61 ctw Black Onyx Gemstones, Onyx Gems in Heart Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
8.61 ctw Black Onyx Stones, Natural Onyx in Heart Rose-Cut Shape for Sale Onyx Gemstones in 10.5 x 10.4 mm Size for Sale, Onyx Stones in Black Color

8.61ct Natural Black Onyx, Heart Shape, 10.5x10.4 mm

9.7 out of 10
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Product ID: 669673
Type: Onyx
Weight: 8.61 ct (total) 2 gems
avg. 4.31 ct
Size: mm calibrated
Size: 10.5 x 10.4 x 5.2 mm
Exact Size: 10.46 x 10.38 x 5.15 mm
Length x Width x Depth
Shape: Heart Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 2 pcs
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$
8.57
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Product Description

These are 8.61 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.46 x 10.38 x 5.15 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
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Overall Rating -> 10 star ratings

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
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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 -> 10 star ratings

overall great

Posted By SR in April, 2026
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Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
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Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
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