Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated points of a marquise diamond, casting a slender, dramatic silhouette across the hand. This semi-set engagement ring in 10K yellow gold awaits your choice of a 7 x 3.5 mm marquise center, its shape lending a graceful elongation that complements slender fingers.

The band’s low-profile design ensures the ring sits close to the finger, minimizing snagging while offering a comfortable daily wear experience. Accents along the shank add subtle sparkle without overwhelming the clean lines, all meticulously finished by hand in our Williamsburg studio with attention to smooth edges and balanced weight.

Crafted with a lab-grown diamond center in mind, this ring reflects a commitment to ethical jewelry—minimizing environmental impact without sacrificing brilliance or clarity.

Its slender band and modest height make it ideal for those who prefer a refined look that layers effortlessly with wedding bands or stackable rings. The 10K yellow gold warms the cool geometry of the marquise, creating a harmonious contrast that feels both modern and approachable.

Should you need resizing, our in-studio process accommodates adjustments with care to maintain structural integrity and finish.

Explore this semi-set marquise engagement ring in person at our Williamsburg studio or begin your custom design journey online—crafted for life’s most meaningful moments.

Haejin Jewelry is a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, where expert craftsmanship meets ethical sourcing and thoughtful design tailored to New York City’s discerning clientele.

See how your design comes to life with our Ring Design Online, or start a truly custom piece from scratch in our Williamsburg studio.

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