Lab-Grown Diamond Engagement Ring

Light catches the elongated silhouette of a marquise diamond, its tapered points tracing a delicate arc across the finger like a whispered promise. This semi-set halo engagement ring in 18K white gold frames a 9 by 4.5 mm marquise center with a ring of smaller stones, amplifying its graceful drama without overwhelming the hand.

Crafted with precision in Williamsburg, the band’s polished white gold offers a cool, smooth touch that balances the diamond’s fiery brilliance. The halo setting is designed to sit low, ensuring everyday comfort and ease beneath gloves or alongside stackable bands. Each piece undergoes meticulous finishing and inspection, reflecting a commitment to refined craftsmanship.

Our diamonds are lab-grown, offering clarity and sparkle with a lighter environmental footprint, aligning with a modern ethos of responsible luxury. The marquise shape’s slender form naturally elongates the finger, ideal for those who appreciate subtle elegance with a hint of vintage allure.

Because this is a semi-set, you have the freedom to select a center stone that resonates most deeply, with resizing available to ensure a perfect fit. Whether worn daily or reserved for special moments, its design balances presence with practicality.

Visit our Williamsburg studio to explore this design in person or begin your custom journey online—each ring made to reflect your story with quiet confidence.

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

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.

Finished for daily wear — a low-profile silhouette and polished edges help minimize snagging.