Master Goldsmith & Founder
Sergio Chamahyan is the Master Goldsmith behind OROSERGIO. With over 30 years of goldsmithing expertise and more than two decades running his downtown Toronto studio, he personally designs and crafts every piece the studio produces.
30+ years of expertise

How to pair a wedding band with your engagement ring so the set looks intentional — metal, profile, width, and 5 more rules from our Toronto studio.

Lab-grown diamonds are chemically identical to mined stones and cost 60-80% less. Here’s what to know about price, ethics, and value retention before choosing.

Discover the art of custom engagement rings and wedding rings at OROSERGIO in Toronto. Handcrafted luxury bridal jewellery by Master Goldsmith Sergio Chamahyan.

For more than two decades, Orosergio has been synonymous with crafting sustainable, one-of-a-kind bridal pieces in Toronto.