Lab-Grown Diamond Engagement Ring

Sunlight catches the slender silhouette of a marquise diamond, its tapered points tracing a delicate arc that seems to elongate the fingers with quiet elegance. This semi-set engagement ring invites you to choose a 5 x 3 mm marquise center stone, a shape known for its graceful drama and vintage allure.

Crafted in warm 14K yellow gold, the mounting features a refined solitaire setting designed for everyday wear. The low-profile band curves gently, offering a comfortable fit that slips easily beneath gloves or alongside other stackable rings. Each piece is meticulously finished by hand in our Williamsburg studio, ensuring smooth edges and secure prongs that cradle your chosen diamond with precision.

Our commitment to sustainability is reflected in the lab-grown diamond option, which delivers the same brilliance and clarity as mined stones with a lighter environmental footprint.

This ring suits those who appreciate subtle statement jewelry—its slender form complements slender to medium finger shapes, enhancing natural hand lines without overwhelming. The semi-set design allows for personalized selection, making it a thoughtful choice for custom design in Brooklyn.

Should you need resizing or guidance on stone selection, our team is happy to assist with care and timing details during your visit.

Explore this delicate marquise solitaire in person at our Williamsburg studio or begin your custom design journey online, where expert advice meets thoughtful craftsmanship.

Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to lab-grown diamond engagement rings, blending ethical craftsmanship with local artistry to create pieces made for daily life and lasting connection.

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.