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Home Gemstones Onyx
4.85 ct Black Onyx Gemstone, Onyx Gem in Cushion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.85 ct Black Onyx Stone, Natural Onyx in Cushion Cabochon Shape for Sale Onyx Gemstone in 11 x 11 mm (calibrated) Size for Sale, Onyx Stone in Black Color

4.85ct Natural Black Onyx, Cushion Cut, 11x10.9 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 672140
Type: Onyx
Weight: 4.85 ct 1 gem
Size: 11 x 11 mm calibrated
Size: 11 x 10.9 x 5 mm
Exact Size: 10.97 x 10.92 x 5.02 mm
Length x Width x Depth
Shape: Cushion Cabochon
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
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$
9.66
Quantity
4 pieces available
Item in Stock
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Product Description

This is a 4.85 carat natural black Onyx gem, 1 pc in cushion shape with an exact size of 10.97 x 10.92 x 5.02 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 -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
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Enlarged Gemstone Image