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10.00 ct Black Onyx Gemstone, Onyx Gem in Pear Checkerboard Shape for Sale.
Photos are of Actual Product for Sale
10.00 ct Black Onyx Stone, Natural Onyx in Pear Checkerboard Shape for Sale Onyx Gemstone in 18 x 13 mm (calibrated) Size for Sale, Onyx Stone in Black Color

10.00ct Natural Black Onyx, Pear Shape, 17.7x12.6 mm

9.8 out of 10
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Onyx Product ID: 722392
Type: Onyx
Onyx Weight: 10.00 ct Onyx 1 gem
Onyx Size: 18 x 13 mm calibrated Onyx
Onyx Size: 17.7 x 12.6 x 6.5 mm Onyx
Onyx Exact Size: 17.68 x 12.62 x 6.54 mm
Length x Width x Depth
Onyx Shape: Pear Checkerboard Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka Onyx
Content: 1 pc
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Product Description

This is a 10.00 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 17.68 x 12.62 x 6.54 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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
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Filters need to be improved but rest of website is great

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

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
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Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
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Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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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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