Lab-Grown Diamond Engagement Ring
Sunlight catches the gently domed surface of a 10 mm round lab-grown diamond, scattering light like liquid fire across your hand. This platinum engagement ring, set with delicate accent stones, balances bold presence with refined craftsmanship.
Each ring is meticulously crafted in our Williamsburg studio, where the platinum band is hand-polished to a satiny finish that feels cool and substantial against the skin. The low-profile setting secures the center diamond with precision, allowing it to sit comfortably beneath a glove or alongside other stackable bands without catching.
Our diamonds are grown in controlled environments, offering the clarity and brilliance of mined stones with a smaller environmental footprint. This ethical choice reflects a modern approach to fine jewelry, rooted in transparency and sustainability.
The generous 10 mm round cut enhances the stone’s classic fire and brilliance, making it a striking centerpiece for those who appreciate a balance of tradition and contemporary design. Its substantial size suits hands that welcome statement pieces, while the comfort fit band ensures all-day wearability.
Should you need a custom adjustment, resizing is handled expertly in-house to maintain the ring’s flawless silhouette.
Visit our Williamsburg studio to experience this ring firsthand or begin your custom design journey online—crafted for daily life, made to last.
Haejin Jewelry is a Brooklyn-based fine-jewelry studio specializing in lab-grown diamond engagement rings, where expert craftsmanship meets ethical sourcing 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