International firm Leonard Design Architects (LDA) has worked with artisan ice-cream maker Ruby Violet to open a bespoke second site in fashionable Granary Square at King's Cross.LDA, the award-winning architects and interior designers with offices in Nottingham, London and Mauritius, has decades of experience in design, development and construction on leading mixed use projects.Artisan ice-cream maker, Ruby Violet, opens second site in Granary Square at King's Cross