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4.31 ct Black Onyx Gemstone, Onyx Gem in Heart Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
4.31 ct Black Onyx Stone, Natural Onyx in Heart Rose-Cut Shape for Sale Onyx Gemstone in 10.5 x 10.3 mm Size for Sale, Onyx Stone in Black Color

4.31ct Natural Black Onyx, Heart Shape, Opaque

9.7 out of 10
See Bizrate Ratings for GemSelect
Onyx Product ID: 721331
Type: Onyx
Onyx Weight: 4.31 ct Onyx 1 gem
Onyx Size: mm calibrated Onyx
Onyx Size: 10.5 x 10.3 x 5 mm Onyx
Onyx Exact Size: 10.46 x 10.29 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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$
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Product Description

This is a 4.31 carat natural black Onyx gem, 1 pc in heart shape with an exact size of 10.46 x 10.29 x 5.02 mm. This loose Onyx gemstone was mined in Sri Lanka and its 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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
Download Identification Report PDF
BGL Brief Report $ 18.00
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AIG Brief Report $ 35.00
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ICA Brief Report $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image