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19.71 ct Black Onyx Gemstone, Onyx Gem in Pear Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
19.71 ct Black Onyx Stone, Natural Onyx in Pear Rose-Cut Shape for Sale Onyx Gemstone in 25 x 18 mm (calibrated) Size for Sale, Onyx Stone in Black Color

19.71ct Natural Black Onyx, Pear Shape, 25.1x17.6 mm

9.7 out of 10
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Product ID: 669544
Type: Onyx
Weight: 19.71 ct 1 gem
Size: 25 x 18 mm calibrated
Size: 25.1 x 17.6 x 6.7 mm
Exact Size: 25.08 x 17.55 x 6.70 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 19.71 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 25.08 x 17.55 x 6.70 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

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
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A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
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Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
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