Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated silhouette of a marquise diamond, casting a slender, luminous beam that seems to stretch beyond the finger. This solitaire engagement ring centers a 12 x 6 mm marquise lab-grown diamond, its pointed ends and graceful curves sculpted to emphasize both brilliance and architectural elegance.

Handcrafted in 14K yellow gold, the band is shaped with a subtle comfort fit, its smooth interior contour designed for daily wear without intrusion. The low-profile setting secures the diamond with delicate prongs that allow light to flood the stone’s facets, while the artisan finish reveals the careful hand-polishing and inspection that ensures every angle gleams with precision.

Created in our Williamsburg studio, the diamond’s lab-grown origin reflects a commitment to ethical jewelry—minimizing environmental impact without compromising clarity or fire.

This ring suits those who appreciate a statement piece that remains refined and wearable, its slender shape elongating the finger and pairing effortlessly with stacking bands or a wedding band. Its modest height makes it glove-friendly and unobtrusive for everyday life.

Should you need resizing, our in-studio team offers expert adjustments to maintain the ring’s integrity and comfort.

Explore this marquise solitaire in person at our Williamsburg workshop or begin your custom design 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 artistry to create pieces meant for a lifetime.

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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