Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, its tapered points drawing the eye along a graceful arc. This semi-set halo engagement ring foundation in warm 18K rose gold offers a modern-minimal frame, designed to amplify the stone’s dramatic shape with a structured yet delicate halo setting.

Crafted in Williamsburg, the band is meticulously finished for a smooth, comfortable fit that sits low against the finger, making it ideal for daily wear. The halo setting balances brilliance with subtlety, enhancing the marquise’s signature sparkle without overwhelming its architectural form.

Each piece reflects our commitment to ethical jewelry: the center stone is lab-grown, ensuring clarity and sustainability without compromise. The rose gold’s soft blush tone complements a variety of skin tones, while the semi-set design invites you to select a center diamond that matches your vision.

Its slender profile and secure mounting suit those who appreciate refined craftsmanship and a confident, contemporary aesthetic. Whether worn solo or paired with a stackable band, this ring adapts seamlessly to an active lifestyle and layered styling.

Should you need resizing or guidance on selecting the ideal marquise stone, our Brooklyn studio offers personalized consultations with no pressure and expert advice. Lead times vary depending on stone choice but are communicated clearly from the start.

Explore this semi-set halo ring in person at our Williamsburg studio or begin your custom design journey online. Haejin Jewelry blends expert craftsmanship, ethical sourcing, and Brooklyn’s creative spirit to create lab-grown diamond engagement rings that resonate with modern love stories.

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.

Finished for daily wear — a low-profile silhouette and polished edges help minimize snagging.