Matthew Calvin is one of London’s most exciting young jewellery designers. Named by the Evening Standard as a go-to name for modern, minimalist designs, Matthew is obsessed with style and precision. contemporary fine jewelry designed by London-based Matthew Calvin. New designs jewellery available at his website. He has many collections that might suit for your taste. He creates beautiful design of necklaces, earrings, bracelets and rings. Love, laughter, and London.