Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, casting a delicate shadow that dances like whispered promises. This semi-set engagement ring invites you to choose a 10 x 5 mm marquise stone, whose tapered points lend a graceful drama and subtly elongate the finger.

Crafted in warm 18K yellow gold, the slender solitaire band is polished to a soft glow, designed with a low-profile setting that rests comfortably against the skin. Each curve is refined in our Williamsburg studio, where expert hands ensure the mounting balances security with effortless wearability.

Our commitment to lab-grown diamonds means this ring carries a clarity and brilliance born from sustainable origins, reflecting a modern approach to ethical jewelry without compromise.

The slender band suits those who favor understated elegance, pairing seamlessly with wedding bands or stacking rings. Its modest height makes it glove-friendly and ideal for daily wear, while the marquise shape offers a distinctive yet timeless silhouette.

Should you wish to adjust the fit, resizing is handled delicately in-house to maintain the band’s integrity and finish.

Explore this semi-set marquise solitaire in person at our Williamsburg studio or begin your custom design journey online, where every detail is tailored to your vision.

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.

Haejin Jewelry is a Brooklyn fine-jewelry studio known for custom lab-grown designs. Every piece is finished in our Williamsburg studio, where artistry, ethics, and precision come together to create engagement rings that define modern love in New York City.