Lab-Grown Diamond Engagement Ring
Sunlight catches the elongated points of a marquise diamond, casting a slender, dramatic silhouette across the hand. This three-stone engagement ring in polished platinum balances architectural grace with everyday resilience.
Each marquise center stone, measuring 9 by 4.5 millimeters, is securely nestled between two tapered side stones, creating a seamless flow along the finger. The low-profile setting minimizes snagging, while the comfort-fit band ensures a natural feel for daily wear. Expertly finished in our Williamsburg studio, the platinum surface is hand-polished to a subtle sheen that complements the diamond’s fiery brilliance.
Crafted exclusively with lab-grown diamonds, this ring reflects a commitment to ethical sourcing and environmental mindfulness without compromising on clarity or sparkle.
Its elongated shape visually lengthens the finger, ideal for those seeking a refined yet distinctive statement. The three-stone design offers versatility for stacking or pairing with a wedding band, while the secure setting supports active lifestyles.
Resizing is available to ensure a precise fit, with typical lead times tailored to your custom preferences.
Explore this design in person at our Williamsburg studio or begin your custom journey online—where expert guidance meets thoughtful craftsmanship.
Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to lab-grown diamond engagement rings, blending ethical craftsmanship with local expertise to create pieces made for life’s most meaningful moments.
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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