Lab-Grown Diamond Engagement Ring

Imagine the moment light catches a marquise diamond’s elongated silhouette, casting a delicate shimmer that seems to stretch beyond the hand. This semi-set engagement ring invites you to select a 10 x 5 mm marquise stone, whose tapered points and graceful curves evoke a quiet drama and refined elegance.

Crafted in warm 18K rose gold, the band’s gentle glow complements the stone’s shape, while the low-profile solitaire setting ensures a comfortable, everyday wear. Each ring is meticulously finished by hand in our Williamsburg studio, polished to a soft sheen that feels smooth against the skin and designed to sit close to the finger without catching.

Our commitment to sustainability is reflected in the choice of lab-grown diamonds, offering clarity and brilliance with a lighter environmental footprint.

This design suits those who appreciate a romantic yet modern silhouette, especially flattering on slender fingers or when stacked with slim bands. Its subtle height and secure prongs make it glove-friendly and ideal for daily life.

Should you need resizing or prefer a different stone shape, our Brooklyn studio offers personalized consultations to tailor your ring with care and precision.

Visit us in Williamsburg or begin your custom design journey online—where thoughtful craftsmanship meets your vision.

Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, blending expert craftsmanship with ethical sourcing and a deep connection to New York City’s creative spirit.

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.