Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, its tapered points drawing the eye along the hand’s natural lines. This semi-set three-stone engagement ring foundation in 14K yellow gold offers a warm, rich canvas for a center stone measuring 12 by 6 millimeters, poised to become the centerpiece of your story.

Each band is meticulously crafted in our Williamsburg studio, where the smooth, comfort-fit shank is hand-finished to a subtle sheen. The three-stone setting balances presence with wearability, designed to sit low enough for daily life without sacrificing the drama of its architectural form. The yellow gold’s soft glow complements the marquise’s vintage-inspired elegance, while the prongs are shaped to secure a stone with precision and grace.

Our diamonds are lab-grown, offering a clarity and brilliance that honors both the environment and your values. This ethical choice reduces mining impact while delivering the same optical performance as mined gems.

Ideal for those who appreciate a statement ring that remains practical—its low profile fits comfortably beneath gloves and layers well with other bands. The elongated marquise shape visually lengthens the finger, enhancing a slender silhouette.

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

Discover how this semi-set marquise engagement ring can be tailored to your vision by visiting us in Williamsburg or starting your custom design online. Haejin Jewelry combines expert craftsmanship, ethical lab-grown diamonds, and a Brooklyn sensibility to create engagement rings that resonate with modern love stories.

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.