Lab-Grown Diamond Engagement Ring

Under soft Williamsburg light, a round diamond’s fire flickers gently, inviting a quiet moment of promise. This solitaire semi-set in polished platinum offers a refined stage for a center stone between 7.8 and 8.6 mm, its six prongs embracing the gem with delicate strength.

Crafted for everyday grace, the comfort-fit band curves smoothly beneath the finger, balancing presence with subtlety. The low-profile setting ensures the diamond catches light without catching on daily wear, finished with meticulous hand inspection to meet exacting standards.

Each lab-grown diamond reflects a commitment to ethical clarity and sustainability, embodying beauty without compromise. The classic round cut lends itself to a spectrum of styles, its brilliant facets echoing the natural rhythm of light and life.

Ideal for those who favor understated elegance and a ring that layers effortlessly with wedding bands or stackable accents. Its balanced scale suits a range of hand sizes, offering a familiar yet distinct silhouette.

Resizing is available to ensure a tailored fit, with thoughtful care guidance provided to maintain the platinum’s soft sheen and the diamond’s sparkle over time.

Explore this semi-set solitaire in our Williamsburg studio or begin your custom design journey online—where craftsmanship meets personal story.

Haejin Jewelry stands as a Brooklyn atelier devoted to lab-grown diamond engagement rings, blending expert craftsmanship with ethical sourcing and a deep connection to New York City’s creative spirit.

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.