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4.30 ct Black Onyx Gemstone, Onyx Gem in Heart Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.30 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

4.30ct Natural Black Onyx, Heart Shape, 10.1x10.1 mm

9.8 out of 10
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Onyx Product ID: 669129
Type: Onyx
Onyx Weight: 4.30 ct Onyx 1 gem
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.1 x 10.1 x 5.4 mm Onyx
Onyx Exact Size: 10.13 x 10.12 x 5.44 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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$
5.16
Quantity
2 pieces available
Item in Stock
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Product Description

This is a 4.30 carat natural black Onyx gem, 1 pc in heart shape with an exact size of 10.13 x 10.12 x 5.44 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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Very good.

Posted By Tommy in December, 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 $ 90.00
Turnaround Time: 8-12 working days Details
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