Lab-Grown Diamond Engagement Ring

The elongated silhouette of the marquise center stone captures light with a subtle, tapered drama that draws the eye along the finger’s natural line. This semi-set three-stone ring features a 7 x 3.5 mm marquise lab-grown diamond, poised to become the centerpiece of your custom design.

Crafted from warm 14K rose gold, the band is shaped and finished by hand in our Williamsburg studio, offering a gentle comfort fit that sits low against the skin for everyday wear. The three-stone setting balances presence with practicality, allowing side stones to frame the marquise without overwhelming its architectural grace.

Each diamond is ethically sourced from sustainable lab-grown origins, reflecting a commitment to responsible luxury without compromise.

Designed for those who appreciate refined artistry and subtle statement, this ring complements slender to medium finger sizes and layers effortlessly with stackable bands or wedding rings. Its low-profile setting ensures ease of wear, even with gloves or daily tasks.

Should you need resizing or wish to explore custom side stones, our Brooklyn studio welcomes your questions with thoughtful guidance and expert care.

Visit us in Williamsburg or begin your bespoke journey online—where craftsmanship meets conscious design in every detail.

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 distinctly local 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.