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Home Gemstones Prehnite
5.50 ct Green Prehnite Gemstone, Prehnite Gem in Round Facet Shape for Sale.
Photos are of Actual Product for Sale
5.50 ct Green Prehnite Stone, Natural Prehnite in Round Facet Shape for Sale Prehnite Gemstone in 12 mm (calibrated) Size for Sale, Prehnite Stone in Green Color

5.50ct Natural Green Prehnite, Round Cut, 12.02 mm

9.7 out of 10
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Product ID: 243838
Type: Prehnite
Weight: 5.50 ct 1 gem
Size: 12 mm calibrated
Size: 12 mm
Exact Size: 12.02 x 7.20 mm
Diameter x Depth
Shape: Round Facet
Color: Green
Clarity: Translucent
Treatment: Untreated
Origin: South Africa
Content: 1 pc
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Product Description

This is a 5.50 carat natural green Prehnite gem, 1 pc in round shape with an exact size of 12.02 mm x 7.20 mm . This loose Prehnite gemstone was mined in South Africa and its clarity is Translucent. No treatment has been applied on this natural Prehnite 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

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 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

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate
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