Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, casting a delicate shimmer that seems to stretch across the hand like a whispered promise. This semi-set halo engagement ring in 18K yellow gold frames a 9 x 4.5 mm marquise stone, its pointed ends drawing the eye along a graceful, vintage-inspired curve.

Crafted with a low-profile halo setting, the band’s smooth finish and subtle taper ensure a comfortable fit for daily wear. Each prong is meticulously shaped and polished in our Williamsburg studio, where the ring undergoes thorough inspection to balance brilliance with durability.

Our diamonds are lab-grown, offering a clarity and sparkle that honors both ethical sourcing and environmental mindfulness without compromise.

The slender shape of the marquise naturally elongates the finger, making this ring ideal for those who appreciate refined elegance with a touch of romantic drama. Its halo setting enhances the center stone’s presence while maintaining a glove-friendly silhouette, perfect for stacking or solo wear.

Should you need resizing, our in-house artisans ensure a seamless adjustment without disrupting the ring’s delicate proportions.

Explore this design further in our Williamsburg studio or begin your custom journey online—where thoughtful craftsmanship meets 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.