Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated points of the marquise diamond, casting a slender, graceful shadow across the hand. This solitaire semi-set invites your choice of an 8 x 4 mm marquise stone, known for its elegant taper that visually lengthens fingers with a subtle, refined drama.

Crafted in warm 18K yellow gold, the mounting features a low-profile design that sits close to the finger, minimizing snagging and maximizing comfort for everyday wear. The band’s smooth finish and secure prong setting ensure durability without sacrificing delicate balance, making it an ideal foundation for a striking center stone.

Each piece reflects a commitment to ethical jewelry through lab-grown diamonds, offering clarity and brilliance with a smaller environmental footprint. This ring’s streamlined silhouette suits those who appreciate minimalist elegance and a confident fit that pairs well with stacking bands or alone.

Resizing is straightforward, handled carefully in-studio to maintain the integrity of the setting and metalwork. Typical lead times accommodate thoughtful customization without rush.

Explore this semi-set in our Williamsburg studio or begin your custom design journey online—where expert guidance meets Brooklyn craftsmanship.

Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, blending ethical craftsmanship with precise design for 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.