20
Jan
Petra Diamonds has recovered a blue diamond weighing 41.82 carats from its Cullinan mine in South Africa. The stone, a type IIb of “exceptional quality”, is the first of its colour and magnitude the deposit has yielded in the past five years, Petra said Tuesday. The previous one was a 39.34-carat diamond it found at the site in April 2021. The company sold that gem for US$40.2 million. The miner is in the process of analysing the stone and deciding the best method of sale. The Cullinan mine is known for the recovery of rare, high-value blue diamonds. The stone…
