One billion years old and the rarest colour of them all: A five minute guide to the pink diamond

One billion years old and the rarest colour of them all: A five minute guide to the pink diamond

In October 1926, in a scene reminiscent of the recent Louvre heist, a gargantuan nine-carat pink diamond was stolen from Château de Chantilly, France, by two amateur thieves. Unlike recent events, the diamond was, thankfully, found by a chambermaid called Suzanne Schiltx — in a hollowed-out apple of all places.(Image credit: Benjamin Chelly for L’École des Arts Joailliers )Now, a century after the event, the Grande Condé is going on display in …