Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, casting a slender, dramatic sparkle that draws the eye along the finger’s natural line. This semi-set engagement ring foundation in 18K yellow gold offers a warm, rich backdrop for a 9 x 4.5 mm marquise center stone, ready to be chosen and set with care.

Handcrafted in our Williamsburg studio, the band is shaped for comfort with a subtle taper that balances the diamond’s pointed elegance. The low-profile prong setting ensures daily wearability without catching, while the polished finish reflects light softly, enhancing the gold’s buttery glow. Each piece undergoes meticulous inspection to meet exacting standards of fit and finish.

Our commitment to ethical jewelry is reflected in the exclusive use of lab-grown diamonds, combining clarity and brilliance with a reduced environmental footprint.

This mounting suits those who appreciate architectural refinement and desire a ring that complements slender fingers or elongates the hand. Its solitaire design invites pairing with stackable bands or a wedding ring of your choice, offering versatility for evolving styles.

Should you need resizing or wish to explore center stone options, our Brooklyn studio team provides personalized guidance through every step.

Visit us in Williamsburg or begin your custom design journey online to bring your vision to life with expert craftsmanship and thoughtful care.

Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to lab-grown diamond engagement rings, blending ethical craftsmanship with local artisan expertise in New York City.

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.