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8.54 ctw Black Onyx Gemstones, Onyx Gems in Heart Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
8.54 ctw Black Onyx Stones, Natural Onyx in Heart Rose-Cut Shape for Sale Onyx Gemstones in 10.5 x 10.4 mm Size for Sale, Onyx Stones in Black Color

8.54ct Natural Black Onyx Gems, Heart, Opaque

9.2 out of 10
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Onyx Product ID: 721549
Type: Onyx
Onyx Weight: 8.54 ct (total) Onyx 2 gems
avg. 4.27 ct
Onyx Size: mm calibrated Onyx
Onyx Size: 10.5 x 10.4 x 5 mm Onyx
Onyx Exact Size: 10.45 x 10.38 x 5.03 mm
Length x Width x Depth
Onyx Shape: Heart Rose-Cut Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka Onyx
Content: 2 pcs
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$
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Product Description

These are 8.54 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.45 x 10.38 x 5.03 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
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Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
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Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

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

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T 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