The 1,109ct Lesedi La Rona, mined by Lucara Diamond Corp last November, will go under the hammer at a standalone auction in London on June 29th. The gem is about the size of a tennis ball and has the potential to yield the largest top quality polished diamond in existence.- Sotheby's
The GIA said the rough diamond has top colour and trasparency and a limpid appearance commonly associated with type IIa gems, which make up 2 percent of all diamonds.
Lucara has revised the weight from an original figure of 1,111 carats when it found the stone at its Karowe mine in Botswana.
"Every aspect of this auction is unprecedented. Not only is the rough superlative in size and quality, but no rough even remotely of this scale has ever been offered before at public auction." - David Bennett, worldwide chairman of Sotheby's jewellery division.
Photo credit - Sotheby's