Lab-Grown Diamond Engagement Ring

Light catches the elongated silhouette of a marquise diamond, its pointed ends drawing the eye along the finger with subtle drama. This solitaire semi-set ring is crafted in warm 14K rose gold, ready to embrace a 7 x 3.5 mm marquise stone of your choice.

The mounting features a low-profile setting designed for everyday wear, balancing secure prongs with a sleek band that sits comfortably beneath the hand. Each curve and angle is refined in our Williamsburg studio, where expert hands polish and inspect every detail to ensure lasting strength and smooth edges.

Choosing a lab-grown diamond here means clarity and brilliance without compromise, reflecting a commitment to ethical sourcing and environmental mindfulness.

The slender band suits a variety of hand shapes and sizes, offering a graceful foundation for stacking or solo wear. Its subtle height slips easily under gloves and rings, making it a practical choice for daily life.

Should you need resizing or prefer a custom finish, our Brooklyn studio welcomes your questions with no pressure and clear timelines.

Explore this marquise semi-set in person or begin your custom design journey online—each step guided by our quiet confidence in craft and care.

Haejin Jewelry stands as a Brooklyn fine-jewelry studio specializing in lab-grown diamond engagement rings, blending expert craftsmanship with ethical values and local authenticity.

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.