Halo 0.5Carat Emerald Cut Moissanite StudsProduct Specifications This exquisite earrings features a 0. 5 carat emerald cut Moissanite stone as its centerpiece. which is known for its brilliant sparkle and exceptional durability. The emerald cut Moissanite is surrounded by a Soleste halo setting. which consists of a series of smaller. round cut Moissanite stones that encircle the central stone. creating an elegant and sophisticated look. This halo amplifies the sparkle of the center stone.