White diamonds and fancy diamonds by Wint and Kidd of Westborne Grove in London. Wint & Kidd - Diamond specialists Wint & Kidd has one of the finest collections of white and natural fancy coloured diamonds in London. Our shop, designed by Matthew Williamson, provides a relaxed environment in which to buy fine jewellery, purchase beautifully packaged diamonds and let our designers help you create your own unique bespoke diamond jewellery. 237 Westbourne Grove. Notting Hill London. W11 2SE. The Courtyard. The Royal Exchange. London. EC3V 3LQ. Tel. 020 7908 9990 | Duncan Hart | dhinteractive: