Crown Jewels of the United Kingdom, Royal treasures in the United Kingdom.
The Crown Jewels of the United Kingdom are a collection of royal ceremonial objects.
The oldest set of coronation regalia dates back to the 12th century.
They are part of the national heritage and held in the Tower of London.
The Crown Jewels are not available for public viewing except during special exhibitions.
The Cullinan Diamond, the largest clear cut diamond in the world, is part of the Crown Jewels.
Source: Wikimedia