Sophie Lyell, Lady Lyell (wife of the 2nd Baron Lyell) wears a diamond tiara with a fringe motif for the State Opening of Parliament, November 1938

 

Anne Chamberlain, wife of Prime Minister Neville Chamberlain, wears a diamond floral tiara outside Number 10 Downing Street as she prepares to leave for the State Opening of Parliament, October 1937; Anne was photographed in the same tiara on multiple occasions

 

Alexandra Spencer-Churchill, Duchess of Marlborough wears the family’s Boucheron-made diamond and pearl tiara for the State Opening of Parliament, October 1937; the tiara, which was originally owned by Alva Vanderbilt, remains with the family today