South African mines drag down De Beers' first-quarter output
De Beers Group 2012 Annual PDF, PDF, Diamond
De Beers puts Voorspoed up for sale
De Beers Improves Performance Due to Improved Consumer Demand; New Initiatives Hit Underlying EBITDA
De Beers Says It Could Operate Carbon-Neutral Mine Within Half a Decade - Bloomberg
Diamond Facts Report - Only Natural Diamonds
DE BEERS HALF-YEAR PRODUCTION FALLS ON WEAKER DEMAND IN MAJOR DIAMOND TRADING CENTERS
Production 'broadly flat' for De Beers and Anglo American in Q4
Voorspoed Mine - Mining Technology
DE BEERS HALF-YEAR PRODUCTION FALLS ON WEAKER DEMAND IN MAJOR DIAMOND TRADING CENTERS
De Beers Group rough diamond sales declines - Jeweller Magazine: Jewellery News and Trends
De Beers 2010 Report to Society - Anglo American
Provisional Auction 1: Complete Diamond Processing Plant - De Beers Voorspoed Mine ⭐Lot is sold STC⭐
Case Study: De Beers - IsoMetrix