Elizabeth was only pictured wearing it shortly after she received it and before she became Queen Consort – after that she chose to wear larger, grander pieces instead as her jewellery collection grew.
The tiara then landed into the hands of her eldest daughter, Princess Elizabeth (later Queen Elizabeth II), who was gifted the diamond headpiece as an 18th-birthday present in 1944. The Queen never wore the Cartier Halo tiara publicly. Experts say this is probably due to the fact she received…

