Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated points of a marquise diamond, casting a slender, dramatic silhouette across the hand. This three-stone semi-set ring invites you to choose a 10 x 5 mm marquise center, framed by two delicate side stones that balance bold geometry with refined elegance.

Crafted from 18K white gold, the band is shaped and polished in our Williamsburg studio to a smooth comfort fit, designed for everyday wear without catching or discomfort. The low-profile setting keeps the stones close to the finger, making it glove-friendly and ideal for stacking with other bands.

Each piece is finished by hand, inspected under magnification to ensure the prongs hold securely while allowing maximum light to enter the marquise’s signature pointed ends. The semi-set design offers a tailored experience, letting you select a lab-grown diamond that meets your clarity and color preferences.

Our commitment to ethical jewelry is reflected in the use of sustainably sourced 18K white gold and lab-grown diamonds, reducing environmental impact without compromising brilliance.

This ring suits those who appreciate architectural lines and a statement silhouette that elongates the finger, perfect for a wearer who values both artistry and subtlety in daily life.

Resizing is available to ensure a precise fit, and our team can guide you through care recommendations to maintain the ring’s luminous finish.

Visit our Williamsburg studio to explore this semi-set marquise engagement ring in person or begin your custom design journey online with Haejin Jewelry, where expert craftsmanship meets thoughtful, ethical design in Brooklyn.

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.