Video: Huge diamond found in Botswana could sell for more than $70m Published by Staff Writer on 13 May 2016 The three-billion-year-old crystal, mined in Botswana last year, is about the size of a tennis ball.
Angola’s diamond industry could rival oil sector Published by Staff Writer on 2 April 2011 Within the next 15 to 20 years, Angola’s diamond industry could rival its oil sector in both output and volume.