Lab-Grown Diamond Engagement Ring

Light catches the elongated silhouette of the marquise diamond, its pointed ends drawing the eye along a graceful arc that complements the hand’s natural lines. This solitaire semi-set offers a refined foundation for an 8 x 4 mm marquise stone, designed with a low-profile setting that keeps the center stone close to the finger for everyday ease.

Crafted from 14K white gold, the mounting is engineered for comfort and durability, with precise prongs that secure the stone while allowing maximum light to animate its facets. The band’s subtle taper and smooth finish ensure it sits comfortably beneath gloves or alongside other stackable rings.

Each piece reflects our commitment to ethical jewelry: the marquise diamond you select will be lab-grown, offering clarity and brilliance with a smaller environmental footprint.

This setting suits those who appreciate architectural elegance paired with practical wearability—ideal for hands that favor slender, elongated shapes and a ring that transitions seamlessly from studio to street.

Should you need resizing or prefer a custom finish, our Brooklyn studio offers expert adjustments with attentive care and a typical lead time of 4–6 weeks.

Explore this semi-set in person at our Williamsburg studio or begin your custom design journey online, where expert guidance awaits.

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 made for daily life and lasting beauty.

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.