As the global financial turmoil continues to take its toll, people are seeking comfort in traditional havens, such as gold and diamonds. Laurence Graff, diamantaire, has spent half a century looking for the rarest and the finest gems. His consuming passion gained him a reputation as The King of Diamonds, and he has handled more of the world's top gems than probably any other. In this film, we see how Graff found his ultimate prize -- the Lesotho Promise.