11 Famous Royal Tiaras And How Much They’re Worth

Unlike others listed, this tiara was originally made for someone outside of the royal family – socialite Dame Margaret Greville. She would later gift the prize to Queen Elizabeth, the Queen Mother, and Princess Eugenie would wear it on her wedding day. 

Now, the tiara is estimated to be one of the most expensive in the world with a value of about £10,000,000.