Coronation Crown of George IV
The Coronation Crown of George IV is an elaborate coronation crown made specially for George IV, King of the United Kingdom, in 1821. == Design == At 40 cm (16 in) tall and decorated with 12,314 diamonds, it was said to make him look like a "gorgeous bird of the east".
Source: Wikipedia — Coronation Crown of George IV (CC BY-SA 4.0)