Natural Diamond Jewellery
Experience the unmatched brilliance of our natural diamond jewellery in Toronto, featuring hand-selected, ethically sourced diamonds crafted into timeless designs. At Jacob Mercari, we specialize in creating custom natural diamond engagement rings, wedding bands, earrings, pendants, and bracelets that showcase the rare beauty of earth-formed diamonds.
Our Toronto natural diamond jewellery is designed for those who value authenticity, luxury, and craftsmanship. Each diamond is carefully chosen for its sparkle and quality, then set into jewellery that blends classic elegance with modern design. Whether you’re searching for the perfect natural diamond engagement ring in Toronto, a one-of-a-kind wedding band, or a meaningful gift, our collection offers pieces that will be cherished for generations.
Discover why couples across Canada trust Jacob Mercari for their custom diamond jewellery. Visit us in downtown Toronto to design a piece that reflects your unique love story, or explore our collection online to find the diamond jewellery that’s right for you.

Included with Purchase
- Independent third-party appraisal
- Free cleaning & check-ups for life
- Beautiful ring box and packaging
- Free shipping across Canada & USA