end of de beers monopoly
Diamond: A Journey to the Heart of an Obsession: Hart, Matthew
Why isn't the De Beers cartel classified as an illegal monopoly
De Beers and Beyond: The History of the International Diamond Cartel
Israel's diamond industry has a bloody history - The Jerusalem Post
How the Cartels Ensure Diamonds Last Forever
The 5 Biggest Diamond Developments of the Past 150 Years – JCK
De Beers Don't Make (Natural) Diamonds Expensive (Anymore)
Frontline - The Diamond Empire (1994) Documentary