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19.96 ctw Black Spinel Gemstones, Spinel Gems in Round Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
19.96 ctw Black Spinel Stones, Natural Spinel in Round Rose-Cut Shape for Sale Spinel Gemstones in 10 mm (calibrated) Size for Sale, Spinel Stones in Black Color
Gemstone Certificate Below

This Gemstone is certified
The Price above includes the certificate below!

Gem Report

19.96ct Natural Black Spinel, Round Cut, 10.20 mm

9.6 out of 10
See Bizrate Ratings for GemSelect
Product ID: 259970
Type: Spinel
Weight: 19.96 ct (total) 4 gems
avg. 4.99 ct
Size: 10 mm calibrated
Size: 10.2 mm
Exact Size: 10.20 x 5.11 mm
Diameter x Depth
Shape: Round 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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  • Worldwide shipping

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  • 30-day risk free return policy

$
171.59
Item is Sold
Certified Gemstones

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Product Description

These are 19.96 carat natural black Spinel gems, 4 pcs in round shape with an exact size of 10.20 mm x 5.11 mm (avg.). 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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GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

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

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate
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Enlarged Gemstone Image