Boxing Day Extravaganza Timed Auction! (Jewellery, Designer Items, Watches and Antiques)
By Cadmore Auctions
Dec 26, 2023
3 Station Close, Potters Bar EN6 1TL

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The auction has ended

LOT 19:

A spectacular large (55.5 carats) vivid teal coloured GRANDIDIERITE, round cut with excellent colour uniformity and ...

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Start price:
£ 180
Estimated price :
£180 - £240
Buyer's Premium: 20% More details
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Auction took place on Dec 26, 2023 at Cadmore Auctions
tags:

A spectacular large (55.5 carats) vivid teal coloured GRANDIDIERITE, round cut with excellent colour uniformity and no cracks, fissures, inclusions or other issues. Dimensions: 27.6 x 27.6 x 14 mm, Origin unknown.
Grandidierite was first discovered in 1902 by French explorer Alfred Grandidier in South Madagascar. As it is extremely rare and the third most expensive gemstone in the world ($20,000-30,000 per carat!), we understand this specimen to be lab-created.

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