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 hand. This semi-set halo ring invites you to choose a 9 x 4.5 mm marquise stone, its pointed ends echoing a quiet drama and refined elegance.

Crafted in warm 10K yellow gold, the band’s gentle curve supports a delicate halo setting that enhances the center’s brilliance while maintaining a low profile for everyday grace. Each piece is hand-finished in our Williamsburg studio, where comfort fit shaping ensures the ring feels as natural as a second skin.

Our diamonds are lab-grown, offering a clarity and sparkle born from sustainable innovation, reflecting a commitment to ethical jewelry without compromise.

This design suits those who appreciate a slender, elongated form that visually lengthens the finger, pairing beautifully with stackable bands or worn solo for subtle statement. Its low-profile setting slips easily under gloves or sleeves, ideal for daily wear.

Should you need resizing or wish to explore stone options, our Brooklyn studio offers personalized consultations to guide your choice with care and expertise.

Discover the quiet allure of this marquise halo semi-set by visiting us in Williamsburg or begin your custom design journey online. At Haejin Jewelry, we specialize in crafting lab-grown diamond engagement rings with thoughtful artistry and ethical clarity, rooted in the creative heart of Brooklyn.

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.