1942 April 16 US Justice Department Confidential Report
Who: US Justice Department, De Beers diamond syndicate
What: “It was said unofficially that we would not give planes to England if the syndicate would not sell us the diamonds with which to make them.”
Where: USA
Why: The United States was running low on industrial diamonds and De Beers was not acquiescing to requests for more. As a result England pressured De Beers and industrial diamonds were supplied to the United States.