Consuelo Spencer-Churchill, Duchess of Marlborough (born Consuelo Vanderbilt; later Consuelo Balsan) wears her diamond tiara by Boucheron for during the coronation of King George V and Queen Mary, 1911; read more about the tiara over here!

Mary Curzon, Baroness Curzon of Kedleston wears her diamond tiara, made by Boucheron, with her famed peacock dress, ca. 1902; learn more about her jewels over here!

P.S.: looking for our weekly Victoria recap? It will be posted on Wednesday afternoon!

Grace Curzon, Marchioness Curzon of Kedleston wears her belle epoque diamond and pearl tiara in a sketch by John Singer Sargent, ca. 1925; I’m not sure what happened to the tiara after Lady Curzon’s death in 1958