Diamond engagement rings, wedding bands, luxury jewellery. That’s what you’ll find at St-Onge Jeweller. Designed and made in Canada according to the strictest criteria, St-Onge fine jewellery offers superior craftsmanship and comes with personalized service. St-Onge jewellery is as unique as you are. Three boutiques to better serve you: Montreal, Mont-Tremblant, and Quebec City.