The Hesse diamond tiara was originally owned by Queen Victoria’s daughter Princess Alice who married the Grand Duke of Hesse. When her son Ernest Louis married his cousin Victoria Melita it returned to Great Britain.
The Imperial State Crown of Great Britain, Tower of London. It incorporates the "Black Prince's Ruby", a 140 ct. This image of the crown was taken prior to the 1953 coronation, when the crown was modified for Queen Elizabeth II