Queen Sonja of Norway’s Garrard Diamond and Pearl Tiara

As the name suggests, Queen Sonja of Norway’s Garrard Diamond and Pearl Tiara is part of the Norwegian royal jewelry collection and is valued at US$12 million. 

This exquisite tiara features a lavish display of diamonds and pearls, making it Queen Sonja’s signature piece, often worn during formal events where it adds a touch of elegance.