Botswana mining industry players speak on speculative exploration licences

Speculative mineral exploration licences was a recurring theme from presentations made by three players in Botswana mining industry at a conference convened in Gaborone. The country has issued thousands of exploration licences, across the mining industry...

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Design is the key to all markets

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“We are building a new state-of-the-art tender facility,” says Ahmed Bin Sulayem, Executive Chairman, DMCC

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Graff unveils 302 ct diamond cut from Lesedi La Rona

12 april 2019

Graff Diamonds has revealed 302.37-carat, D-color diamond the Graff Lesedi La Rona, the last stone cut from the 1,109 carat diamond recovered at Lucara Diamond’s Karowe Mine, in Botswana in 2015. 

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                                Image credit: Graff


The company said Graff Lesedi La Rona was the highest clarity diamond ever certified by the Gemological Institute of America (GIA) and the largest square emerald cut diamond in the world.
An unnamed Graff spokesperson was quoted by Rapaport News as saying that the company was yet to receive final certification for the stone, but expects a “very high clarity grading”.
It would be the largest D-flawless GIA has graded, should it turn out to be flawless.
Graff also polished an additional 66 “satellite” diamonds from the 1,109 carat diamond. 
They varied from under 1 carat to more than 26 carats.

Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished