In 2000, Tom Zoellner purchased a diamond engagement ring and proposed. His girlfriend said, "yes" and then, suddenly, walked out of his life, making Tom the owner of a used engagement ring. Instead of hitting the self-help shelves of his local bookstore, he hit the road travelling to diamond mines in Africa, Canada, India, Brazil and Russia to discover the true worth of this shining gem. He travelled to Japan to understand how diamonds were linked...

Discusses how diamonds and gemstones are mined, where they are found, and how they are used