Queen Victoria of the United Kingdom wears her emeralds in a portrait, ca. 1860; read more about the tiara over here!

Queen Victoria of the United Kingdom wears Queen Adelaide’s Diamond Fringe Tiara in a detail from Edmund Thomas Parris’s Queen Victoria at the Drury Lane Theatre, November 1837; read more about the tiara over here!

Queen Elizabeth the Queen Mother wears the Greville Tiara with the Greville Peardrop Earrings and Queen Alexandra’s Wedding Necklace, November 1964; more on the tiara over here!

(Eagle-eyed readers will spot Princess Marina, Duchess of Kent standing behind her, wearing her Russian Pearl Bandeau)