EditorialDiamonds being sorted at a facility operated by Alrosa, the Russian state-owned diamond company, in Mirny, Russia, on March 26, 2018. (Maxim Babenko/The New York Times)
EditorialDiamonds are evaluated at Alrosa, Russia’s diamond-mining giant, in Mirny, Russia, on March 26, 2018. The world is looking for ways to further restrict Russian earnings from exports beyond oil sales. (Maxim Babenko/The New York Times)