Lab-Grown Diamond Engagement Ring

When light catches the elongated silhouette of a 12 x 6 mm marquise diamond, it creates a striking interplay of brilliance and shadow, drawing the eye along its tapered points. This three-stone semi-set ring in 18K white gold offers a refined foundation to showcase your chosen center stone with precision and grace.

Crafted with a low-profile setting, the band sits close to the finger, balancing presence with everyday comfort. The smooth, polished shank is designed for a secure fit that resists snagging, making it ideal for daily wear. Each mounting is meticulously finished and inspected in our Williamsburg studio to ensure seamless craftsmanship.

Our commitment to lab-grown diamonds means this ring supports ethical sourcing and sustainability without compromising on clarity or fire.

The elongated marquise shape naturally elongates the finger, while the three-stone arrangement adds depth and meaning, perfect for those who appreciate architectural elegance paired with subtle symbolism. Its low profile and comfort fit make it compatible with stacking or wearing solo.

Should you need resizing, our Brooklyn studio offers expert adjustments to ensure your ring fits perfectly over time.

Explore this semi-set design in person at our Williamsburg studio or begin your custom design journey online, where expert guidance awaits.

Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, blending expert craftsmanship with ethical values and a local touch that honors New York City’s creative spirit.

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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