It takes a skilled jewelry designer to create an engagement ring that feels truly personal. Custom by Z at N.J. Diamonds created this one-of-a-kind diamond engagement ring in 2013. Since 1996, Custom by Z has helped clients in Dearborn, Wayne County, and Metro Detroit turn their ideas into distinctive jewelry.
A Custom Marquise Diamond Ring Story
The marquise diamond gives this ring an elegant, elongated look with a vintage influence. Its pointed ends make the choice of setting especially important because secure prongs help protect the diamond while complementing its shape.
For clients who want a ring unlike a standard showroom design, our custom process offers guidance on diamond shape, setting style, metal, and budget. Compare more diamond shapes, review the diamond 4Cs, and learn why diamond certification matters.
Explore our custom diamond engagement rings, learn about the Custom by Z design process, or contact us to create a ring around your story, preferences, and budget.
It takes a skilled jewelry designer to create an engagement ring that feels truly personal. Custom by Z at N.J. Diamonds created this one-of-a-kind diamond engagement ring in 2013. Since 1996, Custom by Z has helped clients in Dearborn, Wayne County, and Metro Detroit turn their ideas into distinctive jewelry.
A Custom Marquise Diamond Ring Story
The marquise diamond gives this ring an elegant, elongated look with a vintage influence. Its pointed ends make the choice of setting especially important because secure prongs help protect the diamond while complementing its shape.
For clients who want a ring unlike a standard showroom design, our custom process offers guidance on diamond shape, setting style, metal, and budget. You can learn more in our marquise diamond engagement ring guide or explore the complete Custom by Z design process.

