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8.64 ctw Black Onyx Gemstones, Onyx Gems in Heart Cabochon Shape for Sale.
Photos are of Actual Products for Sale
8.64 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

8.64ct Natural Black Onyx, Heart Shape, 10.2x10.2 mm

9.6 out of 10
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Onyx Product ID: 669102
Type: Onyx
Onyx Weight: 8.64 ct (total) Onyx 2 gems
avg. 4.32 ct
Onyx Size: 10 x 10 mm calibrated Onyx
Onyx Size: 10.2 x 10.2 x 5.4 mm Onyx
Onyx Exact Size: 10.18 x 10.15 x 5.43 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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  • Natural certified gemstones

    Gemstone Laboratories
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$
10.37
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Product Description

These are 8.64 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.18 x 10.15 x 5.43 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 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
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 $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image