![A member of Sotheby's staff holds a diamond brooch given to the Duchess by her husband Andrew Cavendish, 11th Duke of Devonshire to mark their diamond wedding anniversary in 2001 during a behind the scenes look at the personal collection of Deborah Cavendish, Duchess of Devonshire ahead of Sotheby's exhibition and sale on February 26, 2016 in London, England (Miles Willis/Getty Images for Sotheby's)](https://i0.wp.com/www.thecourtjeweller.com/wp-content/uploads/2023/02/2023-0214-01-devonshire01.jpg?resize=1200%2C800&ssl=1)
Happy Valentine’s Day, everyone! I hope that lots of love finds you today, wherever you may be. I thought I’d add a little sparkle and romance to your holiday with a glimpse of a rather appropriate aristocratic jewel: the diamond heart brooch given by the 11th Duke of Devonshire to his Duchess.