Petra announced the recovery of five blue diamonds of high quality and clarity at the Cullinan mine in September 2020. The diamonds are also significant in terms of their size, being 25.75, 21.25, 17.57, 11.42 and 9.61 carats, and are assessed to be individual stones and not originally part of one larger diamond.
It is considered very unusual to recovery five high quality stones around the same time, all in the spare of one week’s production.
Following a competitive tender process, the Letlapa Tala Collection of five blue diamonds, weighing 85.6 carats in total, was sold as a suite of stones to a partnership between De Beers and Diacore for US$40.36 million.