Introducing N.J. Diamonds, your destination for custom-designed diamond engagement rings. With over 25 years of experience and a commitment to GIA-certified stones, Custom by Z brings unparalleled expertise to every creation. Our on-site GIA diamond grader ensures the highest standard of quality, while our utilization of Cad Cam technology allows for precise and personalized designs.
At N.J. Diamonds, we understand the importance of respecting your budget and working with you to ensure a creation that aligns with your financial considerations. Furthermore, our commitment extends beyond the initial purchase, as we offer lifetime servicing for all diamond jewelry free of charge.
For a truly exceptional experience in designing your perfect diamond engagement ring, trust N.J. Diamonds and Custom by Z to accompany you every step.







N.J. Diamonds Dearborn, MI jewelry store has over two decades of expertise in creating stunning jewelry. For more than two decades, we have specialized in crafting exquisite diamond engagement rings, personalized name necklaces, and name bracelets. Our commitment to excellence includes utilizing cutting-edge technology and leveraging the extensive experience of our team to work within your specified budget. With a GIA diamond grader on site, we offer both GIA lab-created and natural diamonds to meet your needs. Allow us to bring your dream piece to life with our unparalleled craftsmanship and dedication.
