Moissanite White Gold Earring Studs are a beautiful pair of earrings. Each stone measuring 5mm and set in white gold with a three prong setting. The beautiful sparkly essence is unmatched. Backed by Charles & Colvard, the Gemstones have a life time warranty. It is an authentic mineral that does naturally occur in the earth. These along with others are lab created. Moissanite is a diamond alternative with a hardness of 9.5, making it nearly as hard as diamond. With more color and flare, this gem has a higher dispersion index too.