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Home Gemstones Onyx
2.43 ctw Black Onyx Gemstones, Onyx Gems in Round Cabochon Shape for Sale.
Photos are of Actual Products for Sale
2.43 ctw Black Onyx Stones, Natural Onyx in Round Cabochon Shape for Sale Onyx Gemstones in 5.5 mm (calibrated) Size for Sale, Onyx Stones in Black Color

2.43ct Natural Black Onyx, Round Cut, 5.56 mm

9.7 out of 10
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Product ID: 688460
Type: Onyx
Weight: 2.43 ct (total) 2 gems
avg. 1.22 ct
Size: 5.5 mm calibrated
Size: 5.6 mm
Exact Size: 5.56 x 3.65 mm
Diameter x Depth
Shape: Round Cabochon
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 2 pcs
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Product Description

These are 2.43 carat natural black Onyx gems, 2 pcs in round shape with an exact size of 5.56 mm x 3.65 mm (avg.). These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
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Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
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Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
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Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
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Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
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