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17.01 ctw Black Spinel Gemstones, Spinel Gems in Trillion Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
17.01 ctw Black Spinel Stones, Natural Spinel in Trillion Rose-Cut Shape for Sale Spinel Gemstones in 10 x 10 mm (calibrated) Size for Sale, Spinel Stones in Black Color

17.01ct Natural Black Spinel, Trillion, 10.1x9.9 mm

9.7 out of 10
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Product ID: 267554
Type: Spinel
Weight: 17.01 ct (total) 4 gems
avg. 4.25 ct
Size: 10 x 10 mm calibrated
Size: 10.1 x 9.9 x 4.8 mm
Exact Size: 10.08 x 9.92 x 4.76 mm
Length x Width x Depth
Shape: Trillion Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Untreated
Origin: Thailand
Content: 4 pcs
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  • Natural certified gemstones

    Gemstone Laboratories
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  • 30-day risk free return policy

$
112.27
Item in Stock
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Product Description

These are 17.01 carat natural black Spinel gems, 4 pcs in trillion shape with an exact size of 10.08 x 9.92 x 4.76 mm. These loose Spinel gemstones were mined in Thailand and their clarity is Opaque. No treatment has been applied on these natural Spinel stones

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Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
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Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

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
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate
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