Petra Diamonds output rises 21pc

Petra Diamonds yesterday said full-year diamond production rose 21 per cent to 2.67m carats, beating company guidance of 2.65m carats and the majority of analysts’ estimates. The miner’s revenue rose to $403m, up 27 per cent from $317m in 2012. “This is another solid result for Petra, as the company continues to deliver further significant production increases and revenue growth,” said chief executive Johan Dippenaar.