Firestone Diamonds plc announced earnings results for the half year ended December 31, 2018. For the half year, the company announced sales was USD 27.382 million compared to USD 25.990 million a year ago. Net loss was USD 6.794 million compared to USD 7.180 million a year ago. Basic loss per share was USD 0.013 compared to USD 0.022 a year ago.