Diamonds are no longer a girl's best friend By Chris Hastings, Stephanie Plentl and Beth Jones, Sunday Telegraph Last Updated: 12:29am GMT 07/01/2007 Diamonds have been synonymous with Hollywood glamour since Marilyn Monroe declared them to be a girl's best friend in the film Gentlemen Prefer Blondes. But now a new generation of Hollywood stars is shunning the stones as a new film exposes the darker side of the international diamond trade. Blood Diamond tells the story of forced-labour diamond mines For the first time in the 79-year history of the Oscars, certain kinds of diamond will be absent from...