Mystery and tentative excitement surrounded reports yesterday that by far the world's biggest diamond has been unearthed by a small mining company in South Africa.
Experts said that the find - twice the size of the Cullinan, or "Great Star of Africa", discovered near Pretoria in 1905 - was still in need of verification last night. As security was being tightened around the stone, Brett Jolly, a spokesman for the mining firm Two Point Five Construction, said it was being transported to a bank vault in Johannesburg, where
http://news.independent.co.uk/sci_tech/article2903601.ece