About us

Upon obtaining his degree in 1972 from the Gemological Institute of America (GIA) in California, Robert St-Onge was appointed as a gemologist, by Henry Birks & Sons. Five years later he opened his own lab while still maintaining a close relationship with the famous jewellery retailer.

All these years spent perfecting the slightest aspect of his art shape within him the desire of a lifetime: to create his own range of unique, refined, the greatest quality jewelry. In 2004, the small business turned into a family company when its children, Janie and Frédéric, joined him in the adventure.

By founding La Maison St-Onge, he brought under one roof the excellence of great craftsmen, the exclusivity of personalized creations and the values ​​of trust that have shaped its reputation. The St-Onge jewellery has now been a family-owned business established in Quebec for over 45 years.