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8.63 ctw Black Onyx Gemstones, Onyx Gems in Heart Cabochon Shape for Sale.
Photos are of Actual Products for Sale
8.63 ctw Black Onyx Stones, Natural Onyx in Heart Cabochon Shape for Sale Onyx Gemstones in 10 x 10 mm (calibrated) Size for Sale, Onyx Stones in Black Color

8.63ct Natural Black Onyx Gems, Heart, Opaque

9.7 out of 10
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Onyx Product ID: 669107
Type: Onyx
Onyx Weight: 8.63 ct (total) Onyx 2 gems
avg. 4.32 ct
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.2 x 10.1 x 5.4 mm Onyx
Onyx Exact Size: 10.15 x 10.14 x 5.42 mm
Length x Width x Depth
Onyx Shape: Heart Cabochon Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka Onyx
Content: 2 pcs
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    Gemstone Laboratories
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$
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Product Description

These are 8.63 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.15 x 10.14 x 5.42 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
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Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
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Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
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Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 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
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
Download Identification Report PDF
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 $ 62.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image