The Cubitt-Shand Tiara
Though the Cubitt-Shand Tiara isn’t necessarily a royal piece, it belongs to the Duchess of Cornwall. She inherited it from Sonia Keppel, her grandmother, who has owned it since the 1900s. Right now, it is worth $250,000!
Gold Signet Pinky Ring
Prince Charles was first seen wearing this pinky ring in the mid-1970’s and has rarely been seen out in public without it. He wore it during his engagement to Diana as well as on his wedding day with Camilla, not to mention every other day as well. He also wears his wedding ring on the same finger.