Probably because they're created from war, poverty, and child labor. Also, don't kid yourselves, every diamond is a blood diamond since the “certification” process is made up by the same cartels that artificially inflate their value in the first place (debeers)….. read more
Blood diamonds (also called conflict diamonds, war diamonds, hot diamonds, or red diamonds") is a term used for a diamond mined in a war zone and sold to finance an insurgency, an invading army's war efforts, or a warlord's activity. read more
Tiffany & Co. and Cartier are just the two most recent jewelers to publicly boycott blood diamonds from Zimbabwe. Ultra Jewelers supports the boycott as well, and Rapaport and Leber Jewelers have explicitly guaranteed to their customers that they do not sell blood diamonds from Zimbabwe. read more
The Kimberley Process claims to have solved the problem of conflict diamonds, but it systematically ignores human rights abuses, worker exploitation, and environmental degradation. It does not require diamonds to be traced to their mine of origin, allowing smuggled diamonds to obtain"conflict free" certification and enter world markets. read more