Story behind Queen Camilla's controversial £7million tiara that belonged to the late Queen
![Story behind Queen Camilla's controversial £7million tiara that belonged to the late Queen](https://i2-prod.mirror.co.uk/news/royals/article33108031.ece/ALTERNATES/s615/1_queen-camilla-wears-the-burmese-ruby-and-diamond-tiara.jpg)
Queen Camilla's tiara dazzled guests at the banquet held at Buckingham Palace to honour the Emperor and Empress of Japan, who are visiting the country on a state visit