Page from The Sketch depicting some of the famous and priceless jewels forming the Coronation regalia of King George VI in 1937. St. Edward's Sapphire (top left) in the state crown is said to have been in the Coronation ring of Edward the Confessor, the Star of Africe (top centre), is part of the Cullinan Diamond found in 1905 in the Premier mine in Pretoria - the largest piece of which is in the royal sceptre. The Black Prince's Ruby (top right) in the State Crown once belonged to the King of Granada in the 14th century and the Stuart Sapphire (centre bottom) probably belonged to King Charles II.