More than 10,000 diamonds set in works acquired by six British monarchs over three centuries go on display to mark the queen's 60-year reign. The exhibition, "Diamonds: A Jubilee Celebration," runs from June 30 - July 8 and July 31 - October 7 at Buckingham Palace. It includes a number of the queen's personal jewels and works from the Royal Collection, the art collection of the British Royal Family.