Chunky Moissanite Huggie Hoop Earrings .925 Sterling Silver. Sparkly statement hoops! Moissanite 0.80 CTW VVSD Color Hoop Size: Approx. 14mm New with tags. About Moissanite: Originally discovered inside the center of a meteorite, Moissanite is a brilliant and durable diamond alternative. Moissanite is a naturally occurring mineral called silicon carbide, which is very rare in nature. Moissanite used in fine jewelry is almost always created in a laboratory, where silicon carbide crystals are grown under controlled conditions. Moissanite is second hardest to diamonds on the Mohs hardness scale. Based on rankings from one to 10, diamonds are a 10 and Moissanite is a 9.25-9.5. The gemstone is also known for its high refractive index of 2.65, making it the most brilliant gemstone on earth!