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Home Gemstones Onyx
10.40 ct Black Onyx Gemstone, Onyx Gem in Pear Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
10.40 ct Black Onyx Stone, Natural Onyx in Pear Rose-Cut Shape for Sale Onyx Gemstone in 18 x 13 mm (calibrated) Size for Sale, Onyx Stone in Black Color

10.40ct Natural Black Onyx, Pear Shape, 17.8x13 mm

9.7 out of 10
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Product ID: 721601
Type: Onyx
Weight: 10.40 ct 1 gem
Size: 18 x 13 mm calibrated
Size: 17.8 x 13 x 6.7 mm
Exact Size: 17.76 x 12.95 x 6.73 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 10.40 carat natural black Onyx gem, 1 pc in pear shape shape with an exact size of 17.76 x 12.95 x 6.73 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

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
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Overall Rating -> 10 star ratings

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
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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
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Great experience. I can't wait to explore on the website further.

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

My experience was done with ease

Posted By Barb in October, 2025
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