St-Onge Canadian Diamonds : an Ethical Choice

Natural Canadian diamonds have a story to tell. These diamonds of impeccable quality are ethically extracted from our Canadian soil. Buying a Canadian diamond also encourages local businesses and industry.

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Diamond certifications

Only GIA and CanadaMark certified diamonds are used at St-Onge. The independent GIA report provides a complete description of the diamond while the CanadaMark card confirms its origin. A certificate of evaluation for insurance purposes from our laboratory is also offered with any purchase of St-Onge jewelry.

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The Diamond 4C's

The diamond world is both complex and fascinating. The many criteria that comprise it are precisely what makes it sometimes challenging to find your way around. In order to better understand this wonderful world, we have created a simple guide to the four main criteria: carat, size, colour and clarity.

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