In this detail from Stephen Catterson Smith’s 1854 portrait of Queen Victoria, painted to commemorate her visit to Dublin the previous year, Victoria wears the Oriental Circlet; you can read more about this fascinating diadem over here!

In a detail from Thomas Jones Barker’s 1863 painting, The Secret of England’s Greatness, Queen Victoria of the United Kingdom wears a small gold tiara set with opals; the tiara, which was apparently never depicted in other portraits or photographs, may have been an artistic embellishment or invention

Queen Mary of the United Kingdom wears the Boucheron Loop Tiara in a formal portrait; read more about the tiara over here!