On this day, Sept. 11, in 1792, the French Blue diamond, eventually cut to be the Hope Diamond, was stolen along with other French crown jewels. A group of bandits broke into the royal storeroom while ...

Researchers using computer analysis have traced the origin of the famed Hope Diamond, concluding that it was cut from a larger stone that was once part of the crown jewels of France. A French ...

We caught up with Dr. Jeffrey Post to hear the story of this infamous blue diamond, see what makes the National Gem and Mineral Collection so special and learn about the countless things minerology ...