S. Greenstein & Co Ltd is a LAPADA registered jeweller. We have been established since 2001. Our shop is located in Grays Antiques Market, stand 321-322, in the heart of Mayfair, London. We have an extensive collection of antique and modern, diamond and precious stone jewellery. We specialise in diamond engagement rings, of all shapes and sizes. If we don't have something in stock that you like, we can find it for you.