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28.35 ct Black Nuummite Gemstone, Nuummite Gem in Cushion-Cut Shape for Sale.
Photos are of Actual Product for Sale
28.35 ct Black Nuummite Stone, Natural Nuummite in Cushion-Cut Shape for Sale Nuummite Gemstone in 22.8 x 17.7 mm Size for Sale, Nuummite Stone in Black with Blue Sparkle Color

28.35ct Natural Black Nuummite, Cushion Cut, 22.8x17.7 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 645365
Type: Nuummite
Weight: 28.35 ct 1 gem
Size: mm calibrated
Size: 22.8 x 17.7 x 9.3 mm
Exact Size: 22.83 x 17.69 x 9.30 mm
Length x Width x Depth
Shape: Cushion-Cut
Color: Black with Blue Sparkle
Clarity: Opaque
Treatment: Untreated
Origin: India
Content: 1 pc
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  • Natural certified gemstones

    Gemstone Laboratories
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  • 30-day risk free return policy

$
140.16
Item is Sold
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Product Description

This is a 28.35 carat natural black with blue sparkle Nuummite gem, 1 pc in cushion shape with an exact size of 22.83 x 17.69 x 9.30 mm. This loose Nuummite gemstone was mined in India and its clarity is Opaque. No treatment has been applied on this natural Nuummite stone

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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

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

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

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
Source: Bizrate
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