The 10 Most Exquisite and Extravagant Tiaras in European Royal Vaults

Queen Sofia of Spain is the proud owner of the Cartier Loop tiara. The piece has belonged to the Spanish royal family for over 100 years and features a number of pearls set into a stunning diamond-encrusted frame. Sofia wore the stunning tiara in 2007 when she and her husband welcomed King Abdullah Bin Abdulaziz Al Saud of Saudi Arabia to Madrid, Spain.