Marquise cut lab-grown diamond engagement rings are known for their long, elegant shape and pointed ends, creating a graceful look that can beautifully elongate the appearance of the finger. At Lumera Fine Jewelry, our collection of marquise lab-grown diamond engagement rings combines timeless elegance with modern craftsmanship. Choose from classic solitaire settings, vintage-inspired halo designs, and unique styles crafted with care using lab-grown diamonds. Whether you’re planning a proposal or looking for a distinctive ring to celebrate your love, explore our marquise cut engagement rings and lab-created diamond engagement rings to find a design that feels personal, elegant, and made for your story.