Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, its pointed ends tracing a delicate arc across the finger. This semi-set three-stone ring invites your choice of a 10 x 5 mm center stone, framed by two smaller companions that enhance its tapered drama.

Crafted from solid 18K yellow gold, the band is shaped with a subtle comfort fit, its smooth interior designed for daily wear. The setting balances security with elegance, holding stones low to the finger to avoid catching, while the artisan finish reveals hand-polished facets that catch light with quiet brilliance.

Each diamond is lab-grown, offering a clarity and sparkle that honors both beauty and sustainability without compromise.

Ideal for those who appreciate a statement piece that remains refined, this ring complements slender to medium finger shapes and layers gracefully with stackable bands. Its low-profile setting ensures it slips easily beneath gloves or sleeves, making it a versatile choice for everyday life.

Should you need resizing, our Brooklyn studio handles adjustments with care to maintain the ring’s integrity and finish.

Explore this semi-set marquise engagement ring in our Williamsburg workshop or begin your custom design journey online—crafted for your story, made to last.

Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to expert craftsmanship and ethical lab-grown diamond engagement rings, blending local artistry with sustainable luxury in New York City.

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.