At the 2004 Monaco Grand Prix, Jaguar went racing with very real, $250,000 diamonds mounted to the front of its F1 cars as part of a sponsorship deal with the movie “Oceans Twelve.” Less than a lap into the race, Jaguar rookie driver Christian Klien crashed into a wall, and his diamond disappeared, never to be seen again. That’s where the trail goes cold—and where speculation and conspiracy theories begin. Watch the full story of F1’s craziest PR stunt: https://www.youtube.com/watch?v=z2wDi5YY5U