Lab-Grown Diamond Engagement Ring
Sunlight catches the gentle curve of a 4.4 mm round diamond, its facets poised to ignite with familiar brilliance. This semi-set platinum band awaits your choice of center stone, crafted with a low-profile setting that nestles close to the finger for everyday grace.
Hand-forged in our Williamsburg studio, the band’s smooth finish and subtle accents reflect meticulous artisan skill. The platinum’s cool weight balances comfort with durability, designed to wear seamlessly alongside other rings or on its own.
Each lab-grown diamond option offers clarity and sparkle without compromise, reflecting a commitment to ethical sourcing and sustainability.
Ideal for those who favor a refined silhouette, this setting suits slender to medium finger shapes and pairs effortlessly with stackable bands or wedding rings. Its modest height ensures glove-friendly wear and ease in daily life.
Should you need resizing, our in-studio experts handle adjustments with precision, ensuring a perfect fit without delay.
Visit us in Williamsburg to explore this semi-set platinum engagement ring or begin your custom design journey online—crafted for your story, made for your life.
Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to lab-grown diamond engagement rings, blending expert craftsmanship with ethical values in every piece we create.
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.
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Customer Reviews — Haejin Jewelry Williamsburg Brooklyn NYC
Haejin Jewelry is a Brooklyn jewelry studio in Williamsburg creating lab grown diamond engagement rings and fine jewelry with transparency and care. Read verified customer experiences from across Brooklyn and New York City.
Trusted by couples designing engagement rings in Williamsburg and NYC
Custom design, clear pricing, and local service
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What customers say about Haejin Jewelry
Timeless Elegance, Crafted for Forever