But the May 6 coronation of King Charles III will see some ... 11 emeralds and 5 rubies — that is it the most expensive item in the Crown Jewels and is said to be worth $6.2 billion.

The Imperial State Crown will be used by King Charles at the end of the coronation ... the royal family’s jewellery collection are the most expensive and have unveiled the most valuable of ...

Take a look inside Charles' most expensive royal palaces ... King George V, and King Edward VII. Unlike other royal palaces, Charles — not the Crown — privately owns Sandringham House and ...