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Home Gemstones Onyx
20.01 ct Black Onyx Gemstone, Onyx Gem in Pear Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
20.01 ct Black Onyx Stone, Natural Onyx in Pear Rose-Cut Shape for Sale Onyx Gemstone in 24.8 x 15 mm Size for Sale, Onyx Stone in Black Color

20.01ct Natural Black Onyx, Pear Shape, 24.8x15 mm

9.7 out of 10
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Product ID: 669537
Type: Onyx
Weight: 20.01 ct 1 gem
Size: mm calibrated
Size: 24.8 x 15 x 6.5 mm
Exact Size: 24.77 x 14.95 x 6.48 mm
Length x Width x Depth
Shape: Pear Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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Product Description

This is a 20.01 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 24.77 x 14.95 x 6.48 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

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GemSelect Certified Store Reviews

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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

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate
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Enlarged Gemstone Image