Since the company “ZUISHO co.,ltd” founded in 1972, it has been handling top of range diamonds, colour diamonds, colour stones and pearl jewellery and as of whole sell business. selling to retailers and department stores in Japan. Tosho Sai is a jewellery brand that is focusing on outstanding gemstone and using top of range materials and creation. He always try to integrate mesmerizing gem stones, design and craftsmanship into jewellery, therefore, all jewelley has story, unique allure, power of enticing people mind. He is not only creating unique jewels, also deconstructing classical style fo aiming to be loved over the generations. Every single product is made by Japanese craftsman and in Japan.