Higher investment sees the diamond miner ramp-up production at its mines in South Africa and Tanzania. Miner Petra Diamonds said it ramped-up production and boosted revenues in the final six months of last year. The FTSE 250 business said production jumped by 24% to 2.01m carats in the half year to the end of December compared to a year ago. It added sales rocketed by 48% to $228.5m (£184m, €213m) in the period.
Petra Diamonds sees production surge by almost a quarter in six months