This episode is brought to you by Unexplained Mysteries, a Parcast Original. For more episodes like this one, subscribe to Unexplained Mysteries on Spotify, or wherever you listen to podcasts.

In 1668, Jean-Baptiste Tavernier returned to France with a haul of diamonds, including a massive, magnificent Blue Gem. Over the next 350 years, the diamond travelled the globe in the hands of kings, bankers, and thieves. Everyone who possessed this jewel met with misfortune and, in some cases, death.

Learn more about your ad choices. Visit megaphone.fm/adchoices