LSE-listed Petra diamonds has lifted its full-year production guidance to between 3.6-million and 3.65-million carats, compared with the previous guidance of 3.3-million to 3.4-million carats, owing to the initial integration of the Kimberley Mines assets. De Beers Consolidated Mines in December last year sold its Northern Cape assets, including tailings dumps and a processing plant to a consortium comprising Ekapa Mining and Petra Diamonds for R102-million.
