A large stone, maybe a carat ... But the hard truth is that years after the term blood diamond breached the public consciousness, there is almost no way to know for sure that you’re buying ...

Anyone who’s seen Blood Diamond or is simply aware of the controversy ... surpassed that mark in the form of the 2,492-carat ...

"avoid the risk of confusing 'blood diamonds' or diamonds of unknown origin with those from countries such as Botswana, where mining processes are subject to strict environmental and political ...