The De Beers Blue Auction – De Beers Group
Botswana Negotiates with De Beers
De Beers Don't Make (Natural) Diamonds Expensive (Anymore)
De Beers buffs its image, but not all see the sparkle - Aug. 25, 2000
Retro Ad of the Week: De Beers Diamonds (1958)
The History of De Beers and Diamonds
Ada Diamonds Founders at GIA
Diamonds Are Forever,' and Made by Machine - The New York Times
How A South African Town Became Buried in Sludge After A Diamond Mine Collapse - The New York Times
Ada Diamonds Founders at GIA
Bottlecraft Sorrento Valley