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Thinking about buying an engagement ring at a retail chain? Discover why choosing a bespoke jeweller like Jacob Mercari gives you better diamonds, more value, and a ring that's truly one of a kind.

At Jacob Mercari, we've built a diamond search experience that puts thousands of certified loose diamonds directly in your hands before you ever speak with anyone, before any pressure, before any commitment. Lab-grown. Natural mined. Every shape. Every carat range. Every clarity and colour grade. Filter it exactly the way you want.

At Jacob Mercari, we work with clients from Toronto and across Canada to create custom engagement rings that are as individual as the people wearing them. In this guide, we walk you through exactly what the custom design process looks like — so you know what to expect before you ever book a consultation.

Fine jewellery has quietly, then suddenly, become the preeminent language of taste, ambition, and identity. Not costume. Not trend. Jewellery that endures that was chosen with intention, worn with conviction, and passed down with meaning.

At Jacob Mercari, we have always believed that a truly exceptional piece of jewellery is not an accessory. It is a declaration.

Lab-grown diamonds are real diamonds. They have the same chemical, physical, and optical properties as natural diamonds but are created in advanced laboratories instead of forming underground over billions of years.

You have done the research. You know the general landscape the cuts, the settings, the budgets. Now comes the most important step: making the right choice for the person you love and the life you are building together. This guide is written for exactly where you are thoughtful, informed, and ready to decide with confidence.

When most people hear “sapphire,” they picture a deep royal blue gemstone worn by royalty. While blue sapphires are iconic, this remarkable gemstone comes in a breathtaking spectrum of colors — including mesmerizing teal and romantic purple hues.

Discover the newest engagement ring style designed for everyday wear and unforgettable sparkle. Our Half Bezel Engagement Ring Collection features sleek, sculptural settings that partially frame the center stone for a clean, contemporary look—while keeping the diamond beautifully secure.

At Jacob Mercari, we specialize in both expertly designed ready-to-ship engagement rings and fully custom creations, ensuring every couple finds a ring that feels truly personal.

Jacob Mercari is proud to unveil our latest release: The Contour Collection an intentional exploration of silhouette, geometry, and architectural jewelry design.

This collection was created for those who love a piece that feels modern yet timeless, bold yet refined. It’s not just about brilliance, it’s about the form that brilliance takes.

Valentine's Day, with all its romantic expectations, can often overshadow another equally important kind of love: the love you have for yourself, and the incredible friendships that uplift you every day. This year, we're flipping the script and dedicating some sparkle to "Galentine's Day" a day to celebrate self-love, self-gifting, and the power of female friendship.

In the world of fine jewelry, there is a growing movement toward "Quiet Luxury" pieces that don't need to shout to be noticed. For many of our clients at Jacob Mercari, in Toronto, the goal isn't just to have the biggest diamond in the room; it’s to have a ring that reveals its beauty in layers.