The Diamond Trade: De Beers, Russia, and the Industry Today – Economics 243 Fall 2018
De Beers agrees five-year wage deal with S.African union
De Beers - Wikipedia
How diamonds are mined from the bottom of Atlantic ocean
De Beers signs five year wage deal with NUM - Miningmx
De Beers Trims Production Plan for Coming Years
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Diamonds Are Not Rare, They Are Just Expensive De beers Diamond Marketing Strategy – Feedough
South Africa: R60-Billion Held for Mines that Are Never Closed
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