Sterling Silver 1ct Lab-Grown Moissanite Ribbon Pave Engagement Ring. Select this sterling silver engagement ring for its unique yet classic style. A sparkling round brilliant cut lab-grown moissanite secured in a six-prong setting takes center stage, set high above a round band with ribbons of round brilliant cut lab-grown moissanite accent stones. Mix and match this engagement ring with the wedding band of your choice, creating an elegant wedding set all your own. Ring is adjustable in size, accommodating different ring sizes.