Sterling Silver with 1ctw Lab Created Moissanite Halo Cluster Drop Pendant Necklace. This gorgeous sterling silver pendant necklace features a 1ctw stunning display of round brilliant cut lab created moissanite stones with VVS1 clarity and D color. A glittering halo surrounds a solitaire stone on a drop bail, giving this vintage-style pendant added length. A shiny rolo link chain and secure lobster clasp finish this timeless design, making it perfect for any time.