Dictionary.com
Thesaurus.com

blood diamond

American  
[bluhd dahy-muhnd, dahy-uh-] / ˈblʌd ˌdaɪ mənd, ˌdaɪ ə- /

noun

  1. a diamond that is sold, often on the black market, to finance armed conflict in the region of origin.

    Many buyers are now refusing to purchase blood diamonds for ethical reasons.

Etymology

Origin of blood diamond

First recorded in 1995–2000

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.