If you want to see the very best of a gemstone you can't go wrong looking at the Crown Jewels of the world's historical and current monarchies. From Cleopatra to Queen Elizabeth the monarchies have amassed magnificent treasures.
The Imperial State Crown of Britain
Created in 1937, the Imperial State Crown contains a magnificent array of gems including 2,868 diamonds, 17 sapphires, 11 emeralds, 269 pearls and 4 rubies.
The Imperial State Crown is the crown that the monarch wears as they leave Westminster Abbey after the coronation. It is also used on formal occasions, most notably the State Opening of Parliament.