The Duchess of Devonshire Tiara...they say its too heavy to wear for long periods of time/ WELL it is solid Diamonds
Marie-Therese, Duchesse d'Angouleme Emerald and Diamond Tiara
A diamond, emerald and ruby Cartier brooch which belonged to the Duchess of Windsor. 1930.
Keira Knightley as Georgiana, Duchess of Devonshire in The Duchess (2008).