Since 1900, Maison Vernain, a family business with four generations of diamond dealers, is the leader on the Swiss Riviera. Based on trust and traditional business, Maison Vernain responds to any demand regarding diamonds. From investing in diamonds to buying single stones for jewellery, Maison Vernain will offer you a complete bespoke service. 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.