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Assorted regalia from the Crown Jewels

The Crown Jewels are the most complete collection of royal regalia in the world

Sir Robert Viner, 1st Baronet (1631-88)

Mary of Modena's Diadem 1685

RCIN 31708

Treasury, Jewel House

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This diadem was ordered only six weeks before the coronation of James II and his wife Mary in 1685, and was delivered the day before the ceremony. It was originally encrusted with 177 diamonds which were provided on loan, but these have been replaced by quartz crystal. Mary of Modena's step-daughter, Mary II, wore the diadem in 1689 and it was again worn by Queen Anne in 1702.