4. Richmond Brooch
Donn by: Elizabeth II, the Queen
Been in possession since: 1953
Value Estimate: $81,000
Queen Mary wore the Richmond Brooch originally. The Richmond Brooch is over a century old, much like the Kokoshnik Tiara. When Queen Mary married King George V, the future king of England, she wore it. She received the brooch as a wedding present from the town of Richmond.

Elizabeth II Richmond Brooch @brigittemagazin/@sabrinalataupee/Pinterest
The Richmond Brooch cost five hundred pounds when it was created. In current currency, that amounts approximately $81,000. Like many of the other gems on this list, it was given to Queen Elizabeth upon her coronation. At the wedding of Prince Harry and Meghan Markle, the Queen wore this brooch.
