Lab-Grown Diamond Engagement Ring

Sunlight catches the elongated curve of a marquise diamond, casting a slender, luminous shadow across the hand. This semi-set solitaire invites you to choose a center stone that echoes your unique story, its 12 by 6 mm proportions offering a striking balance of presence and elegance.

Crafted in warm 10K yellow gold, the mounting features a delicate yet secure prong setting designed to cradle the stone low against the finger. The band’s subtle taper and smooth finish ensure a comfortable fit for daily wear, while the solitaire style allows the diamond’s shape to command quiet attention.

Each piece reflects a commitment to sustainability, showcasing lab-grown diamonds that embody clarity and conscience without compromise. The ethical origin complements the thoughtful craftsmanship, making this ring a mindful choice for modern romance.

Ideal for those who appreciate refined geometry and a silhouette that elongates the hand, this solitaire adapts gracefully to stacking or wearing solo. Its low-profile setting slips easily beneath gloves or sleeves, marrying practicality with poetic form.

Should you wish to adjust sizing or explore stone options, our Brooklyn studio offers personalized guidance with attentive care and transparent timelines.

Discover the possibilities in Williamsburg or begin your custom design journey online—where expert hands shape your vision into a lasting symbol. Haejin Jewelry stands as a Brooklyn fine-jewelry studio devoted to lab-grown diamond engagement rings, blending ethical craftsmanship with local artistry 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.