The Sovereign's Sceptre with Cross, 1661\n\n It was transformed in 1910 for George V by the addition of the spectacular Cullinan I diamond. At 530.2 carats, it is the largest colourless cut diamond in the world. The Cullinan Diamond was discovered in 1905, in modern-day South Africa.

The crown contains 2,868 diamonds, including the famous cushion cut, 317.4 carat Cullinan II diamond, also known as the Second Star of Africa, the second largest stone cut from the Cullinan Diamond.