Jewels from the "Diamonds: A Jubilee Celebration" exhibit

Jewels from the "Diamonds: A Jubilee Celebration" exhibit

Caroline de Guitaut, curator of Royal Collections, holds the Cullinan III and IV Broach and the Cullinan VII Delhi Durbar Necklace and Cullinan Pendant at The Queen's Gallery, Buckingham Palace, on May 15, 2012, in London.

Section Section: The Queen's Jubilee

Credit: Peter Macdiarmid/Getty Images