Nathan Alan sources diamonds and purchases diamonds from ethical suppliers that adhere to the US Department of State's Kimberley Process. Introduced by the United Nations in 2003, the Kimberley Process is an international, cooperative diamond monitoring system designed to eliminate the flow of conflict diamonds. Today, conflict diamonds, as depicted in the 2006 movie, Blood Diamond, are essentially eliminated from the market with 99.8% of diamonds certified conflict free through the UN Mandated Kimberley Process.