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8.90 ctw Black Onyx Gemstones, Onyx Gems in Heart Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
8.90 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

8.90ct Natural Black Onyx, Heart Shape, 10.5x10.4 mm

9.6 out of 10
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Product ID: 669429
Type: Onyx
Weight: 8.90 ct (total) 2 gems
avg. 4.45 ct
Size: mm calibrated
Size: 10.5 x 10.4 x 5 mm
Exact Size: 10.47 x 10.41 x 5.02 mm
Length x Width x Depth
Shape: Heart Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 2 pcs
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  • Natural certified gemstones

    Gemstone Laboratories
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  • 30-day risk free return policy

$
10.68
Item in Stock
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Product Description

These are 8.90 carat natural black Onyx gems, 2 pcs in heart shape with an exact size of 10.47 x 10.41 x 5.02 mm. These loose Onyx gemstones were mined in Sri Lanka and their clarity is Opaque.

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Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
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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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Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
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the selection is good as are the prices

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overall great

Posted By SR in April, 2026
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