Charles and Colvard's CEO , Suzanne Miglucci, joins The Stock Podcast to discuss moissanite gemstones, e-commerce, digital marketing, direct-to-consumer (DTC) selling and her vision for the company. Charles & Colvard (Nasdaq: CTHR) is the original and leading source of moissanite, the world’s most brilliant gemstone. CTHR manufactures, markets, and distributes moissanite gemstones as well as jewelry that incorporates the gemstones.