Lab-Grown Diamond Engagement Ring

Sunlight catches the three round diamonds, each poised to catch the eye with a quiet, steady brilliance. This semi-set platinum ring awaits your choice of a 6.5 mm center stone, ready to become a personal symbol of connection.

Handcrafted in our Williamsburg studio, the ring’s three-stone setting balances architectural precision with artisan warmth. The platinum band is polished to a satiny finish, offering a cool, substantial feel that wears comfortably every day. Its low-profile design keeps the stones close to the hand, ideal for those who prefer understated elegance without sacrificing sparkle.

Each lab-grown diamond reflects a commitment to ethical clarity and sustainability, cultivated to reduce environmental impact while delivering exceptional light performance. The round shape, known for its classic fire and scintillation, brings a timeless glow that complements a variety of personal styles.

Designed for versatility, this three-stone ring fits gracefully alongside wedding bands or stackable rings, and its smooth edges ensure it slips easily under gloves or sleeves. Whether your hand is slender or strong, the balanced proportions of the setting enhance the diamond’s presence without overwhelming.

Should you need resizing or prefer a custom consultation, our Brooklyn studio offers personalized guidance with attentive care and transparent timelines.

Explore this semi-set three-stone platinum ring in person or begin your custom design journey online—crafted thoughtfully for your everyday life and lasting moments.

Haejin Jewelry is a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, where expert craftsmanship meets ethical sourcing in every piece designed and finished in Williamsburg.

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.