Brazilian Aquamarine Set
The Queen loves her diamond sets, but every once in a while she can be seen sporting other gems. Take this gorgeous Bazilian Aquamarine set, which includes a tiara, necklace, and earrings. She was given this set in 1953 and is worth an estimated $1 million total.
The Cartier Halo Scroll Tiara
Part of the Windsor Collection, the Cartier Halo Scroll tiara was first made in 1936 in honor of the Queen Mother. It was loaned out to Kate Middleton to wear on her wedding day in 2011. The historical tiara is worth $1.6 million.