Lab-Grown Diamond Engagement Ring
When light catches the 9 x 9 mm heart-shaped center, it reveals a tender silhouette that balances romantic symbolism with architectural precision. This semi-set platinum band is crafted to cradle your chosen stone securely while maintaining a low profile that slips comfortably beneath daily gloves or sleeves.
Each ring is meticulously finished in our Williamsburg studio, where the platinum’s cool sheen is polished to a soft glow, ensuring durability without sacrificing elegance. The accent settings are designed to enhance the heart’s outline, adding subtle sparkle without overwhelming the center.
Our commitment to lab-grown diamonds means this ring carries a clarity and brilliance that honors both beauty and sustainability, reflecting a modern approach to ethical jewelry.
Its streamlined shape suits hands seeking a refined yet expressive statement, with a comfort fit that invites everyday wear and easy stacking alongside other bands.
Should you need resizing, our in-studio process allows for precise adjustments without compromising the ring’s integrity or profile.
Explore this semi-set heart engagement ring in person at our Williamsburg studio or begin your custom design journey online, where expert guidance awaits.
Haejin Jewelry stands as a Brooklyn-based fine-jewelry studio dedicated to crafting lab-grown diamond engagement rings with expert precision, ethical clarity, and a deep respect for local craftsmanship.
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