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Home Gemstones Grandidierite
27.85 ct Turquoise Grandidierite Gemstone, Grandidierite Gem in Fancy Facet Shape for Sale.
Photos are of Actual Product for Sale
27.85 ct Turquoise Grandidierite Stone, Natural Grandidierite in Fancy Facet Shape for Sale Grandidierite Gemstone in 15.8 x 25 mm Size for Sale, Grandidierite Stone in Dark Teal Color
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Gem Report

27.85ct Turquoise Grandidierite, Fancy Shape, 15.8x25 mm

9.7 out of 10
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Product ID: 470656
Type: Grandidierite
Weight: 27.85 ct 1 gem
Size: mm calibrated
Size: 15.8 x 25 x 10 mm
Exact Size: 15.80 x 25.00 x 10.00 mm
Length x Width x Depth
Shape: Fancy Facet
Color: Dark Teal
Clarity: SI
Treatment: Untreated
Origin: Madagascar
Content: 1 pc
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$
13,869.30
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Product Description

This is a 27.85 carat natural dark teal Grandidierite gem, 1 pc in fancy shape with an exact size of 15.80 x 25.00 x 10.00 mm. This loose Grandidierite gemstone was mined in Madagascar and its clarity is SI. No treatment has been applied on this natural Grandidierite stone

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Overall Rating -> 10 star ratings

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Posted By Rock hound in December, 2025
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
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Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
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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
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