Greville Emerald Kokoshnik Tiara
The Greville Emerald Kokoshnik tiara has been owned by the Royal Family since 1919. However, it was not seen in public until 2018 when Princess Eugenie wore it on her wedding day. It features a 93.7 carat emerald and is worth somewhere between $5 million to $10 million.
Reflection Collection Cartier Earrings
The House of Windsor collection is quite modern but that doesn’t mean that these jewels are worth any less. These diamond Cartier earrings, which were worn by Meghan Markle in 2018, are worth about $68,000.