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Home Gemstones Grandidierite
1.40 ct Turquoise Grandidierite Gemstone, Grandidierite Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
1.40 ct Turquoise Grandidierite Stone, Natural Grandidierite in Oval Cabochon Shape for Sale Grandidierite Gemstone in 8.1 x 6.6 mm Size for Sale, Grandidierite Stone in Green-Blue Color

1.40ct Natural Turquoise Grandidierite, Oval Cut, 8.1x6.6 mm

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Product ID: 614325
Type: Grandidierite
Weight: 1.40 ct 1 gem
Size: mm calibrated
Size: 8.1 x 6.6 x 3.2 mm
Exact Size: 8.11 x 6.57 x 3.24 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Green-Blue
Clarity: Translucent
Treatment: Untreated
Origin: Madagascar
Content: 1 pc
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Product Description

This is a 1.40 carat natural green-blue Grandidierite gem, 1 pc in oval shape with an exact size of 8.11 x 6.57 x 3.24 mm. This loose Grandidierite gemstone was mined in Madagascar and its clarity is Translucent. No treatment has been applied on this natural Grandidierite stone

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Overall Rating -> 7 star ratings

easy interface for a pricless buy

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

I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future

Posted By Liz in June, 2026
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Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
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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

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate
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