The emerald cut diamond weighing 163.41 carats will be the largest D colour flawless diamond to appear at an auction.
The 404.20 carat “4 de Fevereiro,” alluvial rough diamond that Lucapa Diamond Company recovered is the largest rough diamond in history originating from Angola.
The Rough Diamond was recovered at Lulo mine in Angola in February 2016, and sold for $16 million USD later that month by Lucapa.
The auction will take place on November 14, in Geneva at the Four Seasons Hotel des Bergues .