Round Moissanite by Charles and Colvard Loose Stone, Very Good Cut Round Brilliant Cut Loose Stone, 57 Facets, Very Good Quality. Size: 7.5 mm* Moissanite Average Weight 1.35 with a Diamond Equivalent Weight of 1.50 Includes Certificate of Authenticity and Limited Warranty with Loose Stone Display Box All our Moissanite gemstones are the highest quality and meet the most stringent quality control specifications.