"Cartier, a small pink gold and quartz horse-form desk clock, a gift from Prince Aly Khan. Estimate: £4,000–6,000. The Duchess became a friend of the Prince through their shared love of racing and she attended the Rio Carnival in 1955 as his guest."
"The Duchess’s jewel case. Estimate: £800–1,200. A bespoke red and black leather novelty jewel case in the form of a butterfly by Asprey, London, modern. Specially commissioned by Andrew, 11th Duke of Devonshire for his wife."
"Diamond Brooch, designed by Andrew, 11th Duke of Devonshire (left). Estimate: £7,000–10,000. ‘Camélia’ Brooch by Chanel (right). Estimate: £300–500. The Duke designed the diamond brooch (left) as a heart pierced with an arrow and presented it to the Duchess to mark their Diamond wedding anniversary in 2001."
"A pair of aquamarine and diamond clips, 1930s. Estimate: £2,000–3,000. These jewels were a wedding gift to the Duchess in April 1941 from her parents-in-law Edward, 10th Duke of Devonshire and Mary, Duchess of Devonshire."
"Breguet, a small and elegant yellow gold open-faced watch, circa 1870, previously in the collection of Nancy Mitford. Estimate: £4,000–6,000."
"Gem set and diamond brooch, late 19th century designed as a bumblebee. Estimate: £1,000–1,500. A gift from her husband, Andrew, 11th Duke of Devonshire."