Imperial Crown of India 1911 Over 6000 diamonds and rubies, sapphires and emeralds, all from Indian origin, supplied by George V himself, were used in the manufacture of this crown. In 1911 after his coronation in England, a great spectacle was arranged for the king to receive the official homage of the Indian Maharajas and other princes. Full regalia were required, but an ancient law forbade the Crown Jewels to leave British soil. So a special crown was created