Lab-Grown Diamond Engagement Ring

Imagine the soft glow of a 5 x 5 mm cushion-shaped diamond poised to catch the light just so, framed by a delicate halo that amplifies its gentle vintage shimmer. This semi-set platinum mounting offers a low-profile silhouette, designed to sit close to the finger for everyday comfort without sacrificing brilliance.

Crafted in Williamsburg, Brooklyn, the band’s smooth finish and secure prong setting ensure durability alongside refined elegance. The halo setting enhances the center stone’s rounded corners and subtle facets, creating a quiet radiance that complements a variety of hand shapes.

Each piece reflects our commitment to ethical jewelry, featuring a lab-grown diamond that balances clarity and sustainability with exceptional craftsmanship. The platinum band’s weight and cool tone provide a reassuring feel, while its streamlined design fits comfortably beneath gloves and stacks seamlessly with wedding bands.

Ideal for those seeking a ring that marries classic form with modern wearability, this semi-set allows you to select a cushion diamond that suits your personal style and budget. Resizing is straightforward, and our studio offers attentive care guidance to keep your ring luminous over time.

Visit our Williamsburg studio to explore this halo semi-set in person or begin your custom design journey online with Haejin Jewelry, where expert craftsmanship meets thoughtful, ethical design in Brooklyn’s vibrant creative heart.

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.