blood diamonds
n. Diamonds mined in war zones and sold to finance the purchase of munitions and other war supplies. Also known as conflict diamonds.

Example Citation:
"The minister also called for a boycott of diamonds from rebel sources in Sierra Leone and other countries where they were being used to finance civil wars in other parts of Africa. He said: 'Someone going into a jewellery shop should insist that what they are buying is not a blood diamond but a clean diamond.'"
—Kim Sengupta, "Hain Reported Rebel Arms Supplier to UN," The Independent, May 23, 2000

Related Word: