The current Coronation crown is made of solid gold and adorned with 345 aquamarines, 37 white topaz, 27 tourmalines, 12 rubies, seven amethysts, six sapphires, garnet, spinel amongst the most prominent stones. Queen Elizabeth often joked about how heavy it was. Source: Cecil Beaton. © V&A Museum

Queen Mary's Crown 1911: "At the 1911 coronation the crown contained the three large diamonds - the Koh-i-nûr, and Cullinan III and IV, (also known as the Lesser Stars of Africa) which were later replaced with quartz crystal replicas." | Source: Garrard & Co.