According to the Historical Royal Palace's website, the Imperial State Crown was originally made for Queen Victoria's coronation in 1838, and was remade for King Edward II's coronation in 1937.

Due to the immense weight of all the crown's jewels, the Imperial State Crown weighs in at 2.3 pounds, just over a kilogram. READ MORE: Heartening inside story of the 'rather perky' Queen's final days ...

The Imperial State Crown features a 317.4-carat stone from a Cullinan Diamond, four rubies, 17 Sapphires, 269 pearls, and thousands of smaller diamonds. (Max Mumby/Indigo/Getty Images) ...

However, the Imperial State Crown was still present. The weighty crown was placed on a red velvet cushion to the right of the Queen’s throne. Set with 2,868 diamonds, including the 317-carat (no ...