Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated points of a marquise diamond, casting a slender, dramatic silhouette that feels both bold and intimate. This three-stone semi-set ring in 10K yellow gold frames a 9 x 4.5 mm marquise center with two gently tapered side stones, each carefully positioned to enhance the center’s graceful taper.

Handcrafted in our Williamsburg studio, the band’s warm yellow gold is shaped with a subtle comfort fit, its surface polished to a soft glow that invites daily wear. The setting is designed low enough to slip easily beneath gloves or stack alongside other bands without catching.

Each diamond is lab-grown, offering clarity and brilliance while aligning with a commitment to sustainable, ethical jewelry practices.

This ring suits those who appreciate architectural elegance with a vintage whisper—its elongated shape visually lengthens the finger, while the three-stone design adds layered meaning and light play.

Should you wish to customize the fit or explore alternative side stones, our Brooklyn studio welcomes your ideas with a pressure-free approach and expert guidance.

Discover the possibilities of this marquise three-stone semi-set by visiting us in Williamsburg or starting your custom design journey online.

Haejin Jewelry blends expert craftsmanship with ethical lab-grown diamonds in the heart of Brooklyn, creating engagement rings that reflect both personal stories and a modern commitment to sustainability.

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.