Lab-Grown Diamond Engagement Ring

When light catches the elongated silhouette of a marquise diamond, it creates a striking interplay of brilliance and shadow—a shape that naturally draws the eye along the finger. This semi-set halo engagement ring foundation in polished platinum offers a secure, low-profile frame designed to showcase a 6 x 3 mm marquise center stone with subtle architectural grace.

Crafted in Williamsburg, the platinum band is meticulously finished for a smooth comfort fit, ideal for daily wear without catching or discomfort. The halo setting is engineered to enhance the diamond’s lengthening effect while maintaining a sleek profile that slips easily under gloves or sleeves.

Each lab-grown diamond chosen for this mounting reflects a commitment to sustainable luxury, offering clarity and sparkle without compromise. The ethical sourcing aligns with a modern approach to fine jewelry, mindful of environmental impact.

This ring suits those who appreciate refined geometry and a design that balances statement with practicality—perfect for hands that favor slender elegance or for stacking with complementary bands. The semi-set nature invites you to select a center stone that resonates personally, ensuring a truly bespoke expression.

Resizing is straightforward with platinum’s durability, and our Brooklyn studio welcomes you to explore custom options or view this mounting in person. Lead times vary depending on stone selection but are communicated clearly throughout the process.

Discover the thoughtful craftsmanship and ethical clarity that define Haejin Jewelry’s approach to lab-grown diamond engagement rings. Rooted in Brooklyn’s creative spirit, we specialize in custom design that honors both artistry and everyday life.

See how your design comes to life with our Ring Design Online, or start a truly custom piece from scratch in our Williamsburg studio.

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