Lab-Grown Diamond Engagement Ring

When light catches the elongated silhouette of a marquise diamond, it reveals a striking balance of drama and refinement—its 9 x 4.5 mm proportions create a graceful elongation that flatters the finger. This semi-set halo engagement ring in 10K white gold offers a low-profile design, crafted for everyday wear without sacrificing presence.

The band is meticulously shaped for comfort, with a subtle curve that sits close to the finger, minimizing snagging while maintaining a secure hold on the center stone. The halo setting enhances brilliance while keeping the overall profile sleek and unobtrusive, ideal for stacking or pairing with a wedding band.

Each piece is finished by hand in our Williamsburg studio, where precision meets quiet durability—polished to a smooth sheen and inspected for flawless fit. The choice of 10K white gold balances strength with a luminous cool tone that complements the marquise’s fiery facets.

Our lab-grown diamonds offer the same optical and chemical properties as mined stones, with a significantly reduced environmental footprint, reflecting a commitment to ethical jewelry without compromise.

Designed for those who appreciate architectural elegance with practical wearability, this ring suits slender to medium finger sizes and adapts well to daily life, including glove wear and stacking.

Should you need resizing or prefer a custom consultation, our Brooklyn studio welcomes you to explore options with no pressure and full transparency.

Discover the thoughtful craftsmanship behind every Haejin Jewelry creation—where lab-grown diamond engagement rings meet Brooklyn’s artisanal spirit and ethical standards.

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.