Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, casting a slender, luminous beam that seems to stretch beyond the finger. This semi-set solitaire invites you to select a center stone that echoes your unique story, its 6 x 3 mm proportions offering a graceful balance of presence and subtlety.

Crafted in warm 14K rose gold, the band’s gentle curve complements the marquise’s tapered points, while the low-profile setting ensures everyday ease without sacrificing elegance. Each piece is hand-finished in our Williamsburg studio, polished to a soft glow that feels as natural as the skin it adorns.

Our diamonds are lab-grown, offering clarity and brilliance with a mindful footprint—an ethical choice woven seamlessly into the design.

The slender band suits those who prefer a refined silhouette, perfect for stacking or wearing solo with quiet confidence. Its comfort fit and modest height make it glove-friendly and ideal for daily wear.

Should you wish to adjust the fit, resizing is available to ensure the ring feels as personal as the moment it marks.

Explore this semi-set marquise solitaire in our Williamsburg studio or begin your custom design journey online, where thoughtful craftsmanship meets your vision.

Haejin Jewelry stands as a Brooklyn-based atelier specializing in lab-grown diamond engagement rings, blending expert craftsmanship with ethical values in every bespoke creation.

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.