From investing in diamonds to buying single stones for jewellery, Maison Vernain will offer you a complete bespoke service. Our work consists of choosing and buying the finest gems from diamond-cutting factories around the world. We then sort, grade, certify and assemble them in order to supply the needs of our clients within the shortest possible time, generally within 1 to 2 hours. Our business is specialised in diamond dealership and we will ensure to propose the best stone at the best price. All our single stones are certified GIA and respond to a strict ethical duty. We would be pleased to welcome you in our Geneva office.