Sterling Silver 1ct Lab-Grown Moissanite Halo Pave Engagement Ring. Choose this sterling silver engagement ring for your special moment, showcasing all the fire of eco-friendly, socially conscious attributes of high-quality lab-grown moissanite. A solitaire and halo in the center and a Cathedral shank glistening with round brilliant cut lab-grown moissanite gives this breathtaking ring effortless sophistication. The timeless setting and design make this beautiful engagement ring the perfect choice for years to come. Ring is adjustable in size, accommodating different ring sizes.