The Ugly Truth about Diamonds Monopoly
The Largest Blue Diamonds that Gemmologists Should Know
De Beers agrees to give Botswana more rough diamonds in new sales
Case Study – Diamond's Demise – Principles of Microeconomics
De Beers Diamond Cartel
De Beers Diamond Company & Black Labour (In Diamond Road
All you need to know about De Beers Diamonds
De Beers myth: Do people spend a month's salary on a diamond
De Beers Group doubles down on natural diamonds with the return of
De Beers Rolls Out 'Diamonds from DTC' Origin Program