Kate Middleton’s most expensive piece of jewelry was originally gifted to Queen Elizabeth nearly 80 years ago.

But this jewel isn’t the only expensive piece owned by the Royal Family. Another of the most expensive accessories includes the Cartier halo tiara, worn by the princess on her wedding day in 2011.

Queen Elizabeth II was known for many things, including her precious collection of jewelry and tiaras. As Nov. 20 ... on one of the late Queen's most expensive wedding gifts.