Catherine Walker Black Velvet and Beaded Evening Gown Fit for a Princess: Ten of Diana's Gowns on Auction in London TIME.com Sold at Auction: Catherine Walker two sets of wool sheath dresses and associated long line blazers; the two piece suit in black comprises a round neck knee length dress, and a hip length coat with Catherine Walker 2 For Sale on 1stDibs catherine walker online shop, where to buy catherine walker, catherine walker sale Princess Diana's 'Caring Dress' sold for $520K, her Lady Dior handbag for $325K. See what else people bought from the late royal's largest wardrobe auction. AOL St Tropez Cocktail Dress Catherine Walker Kate Middleton's Catherine Walker Beau Tie Coat Dress in Black