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20.64 ctw Black Spinel Gemstones, Spinel Gems in Oval Rose-Cut Shape for Sale.
Photos are of Actual Products for Sale
20.64 ctw Black Spinel Stones, Natural Spinel in Oval Rose-Cut Shape for Sale Spinel Gemstones in 16 x 12 mm (calibrated) Size for Sale, Spinel Stones in Black Color

20.64ct Natural Black Spinel, Oval Cut, 16x12.1 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 426617
Type: Spinel
Weight: 20.64 ct (total) 2 gems
avg. 10.32 ct
Size: 16 x 12 mm calibrated
Size: 16 x 12.1 x 5.2 mm
Exact Size: 16.02 x 12.10 x 5.23 mm
Length x Width x Depth
Shape: Oval Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Untreated
Origin: Thailand
Content: 2 pcs
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  • Natural certified gemstones

    Gemstone Laboratories
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$
79.14
Item in Stock
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Product Description

These are 20.64 carat natural black Spinel gems, 2 pcs in oval shape with an exact size of 16.02 x 12.10 x 5.23 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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GemSelect Certified Store Reviews

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

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate
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Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image