More brilliant than diamond at a fraction of the cost, moissanite created by Charles & Colvard® is among the hardest minerals on the planet, more durable than sapphire, ruby, or emerald. Its beauty and brilliance is guaranteed to last Forever. Forever is not just a promise, it's a mission: A mission to refine the processes and technologies we pioneered to ensure that we continue producing moissanite with ever-greater purity.