Is 'blood diamond' definition about to change?

(CNN) -- The newly-appointed U.S. chair of the international diamond watchdog has called for a review of what constitutes a "blood diamond."

According to the Kimberley Process, launched in 2003 to certify that diamonds do not come from conflict zones, blood diamonds are rough diamonds used by rebel movements or their allies to finance armed conflicts aimed at undermining legitimate governments.

Now, Gillian Milovanovic, who was named chair of the Kimberley Process in late January, wants the definition to be broadened. "One of the things which will certainly be looked at and which we certainly support looking at and believe should get a close look is whether that definition is still sufficiently encompassing or appropriate given today's challenges," she said in an exclusive interview with CNN's Robyn Curnow.       More Read