Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, its pointed ends drawing the eye along a graceful arc. This 12 x 6 mm center stone rests within a delicate halo, amplifying its fiery brilliance while maintaining a refined profile.

Crafted from warm 14K yellow gold, the band is shaped and polished in our Williamsburg studio, where each curve is smoothed for comfort and daily wear. The halo setting, meticulously hand-set with smaller lab-grown diamonds, enhances sparkle without adding bulk, preserving a low-profile silhouette that slips easily beneath gloves or sleeves.

Our diamonds are grown with precision in controlled environments, offering clarity and fire while reducing environmental impact. This ring embodies a commitment to ethical jewelry without compromise on craftsmanship or beauty.

Designed for those who appreciate a statement piece that remains wearable, its slender band and secure setting suit slender to medium finger sizes, pairing effortlessly with wedding bands or stackable rings.

Should you need a custom fit, resizing is available through our Brooklyn studio with care to maintain the ring’s structural integrity.

We invite you to experience this marquise halo ring firsthand in Williamsburg or begin your custom design journey online, where expert guidance meets artisanal skill.

Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, blending ethical craftsmanship with local expertise to create pieces meant for a lifetime.

See how your design comes to life with our Ring Design Online, or start a truly custom piece from scratch in our Williamsburg studio.

Explore our Guides & Education and Stories & Lifestyle for diamond education, care tips, and real studio stories.