Design by Sevan - Custom Engagement Rings & Lab Diamonds Toronto, ON At Design by Sevan, we specialize in creating exquisite custom engagement rings, bespoke jewelry, and fine diamond pieces. Based in Toronto, ON, we offer a personalized experience for couples looking to design one-of-a-kind engagement rings that reflect their love story. We are known for our meticulous craftsmanship and use of ethically sourced Lab diamonds. Whether you're looking for a classic solitaire, a vintage-inspired engagement ring, or a modern diamond design, we work closely with you throughout the entire design process to bring your vision to life. Visit Design by Sevan in Toronto to discover and book a free consultation.