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4.20 ct Black Onyx Gemstone, Onyx Gem in Heart Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
4.20 ct Black Onyx Stone, Natural Onyx in Heart Rose-Cut Shape for Sale Onyx Gemstone in 10 x 10 mm (calibrated) Size for Sale, Onyx Stone in Black Color

4.20ct Natural Black Onyx, Heart, Opaque

9.2 out of 10
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Onyx Product ID: 721337
Type: Onyx
Onyx Weight: 4.20 ct Onyx 1 gem
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.3 x 10.3 x 5 mm Onyx
Onyx Exact Size: 10.33 x 10.27 x 5.02 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: 1 pc
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Product Description

This is a 4.20 carat natural black Onyx gem, 1 pc in heart shape with an exact size of 10.33 x 10.27 x 5.02 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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The stones are very nice.

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Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
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Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
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It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
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Overall Rating -> 9 star ratings

I love the gems!

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I love the quality, package and info of your gems.

Posted By Diana in April, 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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