Precious minerals

The Oppenheimers: Swapping gems for cash

What next for South Africa’s foremost mining family?(3)

Biggest diamond producers: A model's best friend

Who produces most diamonds?(17)

Diamonds in Africa: Keeping the sparkle at home

African diamond producers want to extract more value from their stones(1)

Diamonds: Culling Cullinan

De Beers sells one of its most famous mines(0)

Diamonds

West Africa: Still a rebel's best friend

The trade in conflict diamonds(0)

South African diamonds: Rough and tumble

A controversial bill to keep more rocks at home(0)

The diamond cartel: The cartel isn't for ever

An Israeli tycoon is helping to force De Beers to surrender its control of the world's diamond market(0)

Face value: South Africa's Cuban missile

Is Nicky Oppenheimer an old-fashioned mining tycoon or a radical economic reformer?(0)

Face value: South Africa's Cuban missile

Is Nicky Oppenheimer an old-fashioned mining tycoon or a radical economic reformer?(0)

Regulating the diamond trade: A crook's best friend

A certification process is launched(0)

The diamond business: Endless quest

COMMODITY PRICE INDEX

Is that a rebel rock on your finger?

Washed out of Africa

The De Beers diamond cartel is seeking to transform itself into a modern luxury-goods firm. The changing economics of the business, as much as the new politics of “conflict” diamonds, explains why(0)

THE DIAMOND BUSINESS: Glass with attitude

The preciousness of the diamond is perhaps the world’s most sophisticated illusion—a feat of marketing more dazzling than the gem itself(0)