The Imperial State Crown is set with 2,868 diamonds — including a piece of the Cullinan, the largest rough diamond ... Here's the queen mother wearing her crown in 1937. Queen Victoria wore ...
On 1 February 1850, the jewel was sealed in a small iron safe ... for presentation to Queen Victoria. Since then, Kohinoor has been a part of the jewels for the British crown ‘Escape the heat ...