Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, its tapered points drawing the eye along a graceful arc. This semi-set three-stone ring foundation in 14K white gold offers a refined stage for a 10 x 5 mm center stone, ready to be chosen and cherished.

Handcrafted in our Williamsburg studio, the band balances strength with subtlety—its smooth, comfort-fit interior designed for daily wear. The three-stone setting is sculpted to cradle each gem securely while maintaining a low profile that slips easily beneath gloves or sleeves.

Each diamond is lab-grown, reflecting a commitment to ethical sourcing and environmental mindfulness without compromising brilliance or clarity.

Ideal for those who appreciate architectural elegance and a statement that extends beyond tradition, this mounting suits elongated finger shapes and pairs beautifully with slender stackable bands.

Should you need resizing, our in-studio artisans handle adjustments with care, ensuring the ring fits seamlessly over time.

Explore this semi-set marquise engagement ring in person at our Williamsburg workshop or begin your custom design journey online—crafted for life’s intimate moments.

Haejin Jewelry stands as a Brooklyn fine-jewelry studio dedicated to expert craftsmanship and ethical lab-grown diamond engagement rings, blending local artistry with sustainable luxury in New York City.

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.