Nothing Lasts Forever

In the high-stakes world of the diamond industry, a hidden war is being waged, shrouded from public view. Filmmaker Jason Kohn goes undercover to expose the vast, far-reaching crime that threatens the value of every diamond ever mined, putting the very symbol of love and commitment - the engagement ring - at risk. As he digs deeper, Kohn uncovers a complex web of organized crime, artificial diamonds, and international dealings that challenge everything he thought he knew about this multi-billion-dollar industry.