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

4.24ct Natural Black Onyx, Heart, Opaque

9.2 out of 10
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Onyx Product ID: 669131
Type: Onyx
Onyx Weight: 4.24 ct Onyx 1 gem
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.1 x 10 x 5.5 mm Onyx
Onyx Exact Size: 10.11 x 10.03 x 5.46 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: 1 pc
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    Gemstone Laboratories
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  • 30-day risk free return policy

$
5.09
Quantity
3 pieces available
Item in Stock
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Product Description

This is a 4.24 carat natural black Onyx gem, 1 pc in heart shape with an exact size of 10.11 x 10.03 x 5.46 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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everything was fine

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

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Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

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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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Download Identification Report PDF
BGL Brief Report $ 18.00
Turnaround Time: 3-4 working days Details
AIG Brief Report $ 35.00
Turnaround Time: 5-10 working days Details
ICA Brief Report $ 62.00
Turnaround Time: 8-12 working days Details
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