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1.58 ct Black Onyx Gemstone, Onyx Gem in Round Cabochon Shape for Sale.
Photos are of Actual Product for Sale
1.58 ct Black Onyx Stone, Natural Onyx in Round Cabochon Shape for Sale Onyx Gemstone in 7 mm (calibrated) Size for Sale, Onyx Stone in Black Color

1.58ct Natural Black Onyx, Round Cut, 7.15 mm

9.6 out of 10
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Product ID: 687498
Type: Onyx
Weight: 1.58 ct 1 gem
Size: 7 mm calibrated
Size: 7.2 mm
Exact Size: 7.15 x 3.74 mm
Diameter x Depth
Shape: Round Cabochon
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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Product Description

This is a 1.58 carat natural black Onyx gem, 1 pc in round shape with an exact size of 7.15 mm x 3.74 mm . This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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Overall Rating -> 10 star ratings

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Posted By Tim W in February, 2026
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Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
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