Queen Mary of the United Kingdom wears the Delhi Durbar Tiara (set with the Cullinan III and IV diamonds) in a portrait taken by John Thomson, ca. 1912

Queen Mary of the United Kingdom wears a bandeau set with four large diamonds interspersed with laurel leaf designs; the bandeau, which was made as a necklace, was her wedding gift from Hugh Grosvenor, 1st Duke of Westminster

Queen Mary of the United Kingdom (born Princess Mary of Teck) wears Queen Adelaide’s Diamond Fringe as a tiara in a portrait, ca. 1912; the fringe is currently owned by Queen Elizabeth II