Lab-Grown Diamond Engagement Ring
Imagine the soft glow of a 10 x 10 mm cushion diamond poised to catch the light with its gentle, rounded facets—an invitation to a quiet moment of reflection. This semi-set platinum band offers a low-profile foundation designed for daily wear, its smooth surface crafted to sit comfortably against the skin without catching.
Each ring base is meticulously forged in platinum, known for its enduring strength and subtle sheen. The setting’s architecture balances security with elegance, allowing your chosen cushion stone to rest securely while maintaining a sleek silhouette. Finished by hand in our Williamsburg studio, the band’s comfort fit ensures it moves with you, not against you.
Our commitment to ethical jewelry is reflected in the exclusive use of lab-grown diamonds, combining clarity and sustainability without compromise.
Ideal for those who appreciate a refined yet practical engagement ring, this mounting suits a bold cushion cut that elongates the finger with its soft, vintage-inspired glow. Its low profile makes it glove-friendly and stackable with other bands, perfect for an active lifestyle.
Should you need resizing, our in-studio experts provide precise adjustments to ensure a flawless fit without disrupting the ring’s integrity.
Explore this semi-set cushion engagement ring in person at our Williamsburg studio or begin your custom design journey online—crafted for your life, made in Brooklyn.
Haejin Jewelry stands as a Brooklyn fine-jewelry studio specializing in lab-grown diamond engagement rings, where expert craftsmanship meets ethical design in every piece.
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