Nothing Lasts Forever

Hidden from public view, a war is raging inside the diamond industry. When filmmaker Jason Kohn infiltrates this highly secretive world, he uncovers a vast, far reaching crime that threatens the value of every diamond ever mined. At stake is nothing less than the universal symbol of love and commitment - the engagement ring.

Official website :https://www.sho.com/titles/3463788/nothing-lasts-forever