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 solitaire invites you to select a center stone that balances bold geometry with refined elegance.

Crafted in warm 18K rose gold, the mounting features a low-profile setting designed for everyday wear. Its secure prongs cradle the stone while maintaining a sleek profile that slips comfortably beneath gloves or sleeves. Each ring is finished by hand in our Williamsburg studio, ensuring a smooth comfort fit and meticulous inspection before it reaches you.

The lab-grown diamond you choose reflects a commitment to ethical jewelry, offering clarity and brilliance without the environmental cost of traditional mining.

Ideal for those who appreciate architectural form and understated strength, this solitaire complements slender fingers and pairs well with stackable bands or a wedding ring. The 12 x 6 mm marquise shape elongates the hand, creating an elegant visual flow.

Resizing is available to ensure a precise fit, with typical lead times tailored to your custom design process.

Explore this semi-set marquise solitaire in our Williamsburg studio or begin your custom design journey online—crafted for a lifetime of daily moments.

Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, blending expert craftsmanship with ethical sourcing and local artistry.

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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