The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds from her grandmother, Queen Mary. Queen Elizabeth II wore her share of ...

(Reuters) - Petra Diamonds, which has the world's third-largest resource of diamonds, said on Wednesday it had delayed the sale of gems from its Cullinan Mine in South Africa until there was greater ...

*(CNN) — A massive 2,492-carat rough diamond, believed to be the second biggest ever found, has been unearthed in Botswana, according to a mining company. The huge stone is thought to be the biggest ...

CULLINAN, South Africa (Reuters) - The owner of one of the world's most famous diamond mines could be about a decade away from clearing its multi-million-dollar debts, in a sign of the struggles ...

The illustrious Cullinan diamond mine, flagship of London-listed Petra Diamonds, is not only famous for hosting the largest gem diamond but a flurry of reports is now affording sky-high status to the ...

LONDON (Reuters) - Petra Diamonds Ltd said it had recovered an "exceptional" 122.52 carat blue diamond at its Cullinan mine in South Africa, just months after it sold a 29.6 carat blue diamond from ...

On January 26, 1905, the course of gemstone history was altered forever in a small town near Pretoria, South Africa. During a routine inspection at the Premier No. 2 mine, Frederick Wells, the mine’s ...

Queen Elizabeth owned a dazzling brooch cut from the world’s largest diamond. The Cullinan III and IV brooch has an estimated worth of between £50 and £180 million. Elizabeth inherited the diamonds ...