Leiser & Co offer luxury gemstones and bespoke jewellery at highly competitive and affordable rates.Based in London, Leiser & Co offer an array of diamond trading services to business and private individuals around the world.Leiser & Co. has earned an outstanding reputation for delivering high quality certified diamonds and other precious and semi-precious stones from twenty points to over twenty carats, round and fancy shaped.We cater to the most discerning customers who require their expectations not only be met – but exceeded. With a large inventory at our fingertips, we are able to promptly address all of our customers needs for specific stones, consistently reliable quality and rapid delivery of orders.