Moissanite is a diamond simulant made of silicon carbide. A diamond simulant is a stone that has a similar appearance to a diamond but is not a real diamond. It is very difficult to tell apart a diamond & moissanite, making moissanite a common diamond alternative. It's one of the most common gemstones for engagement rings after diamonds. Perfect for wife, girlfriend daughter mom grandmother grand daughter Material: 925 sterling silver, platinum-plated, moissanite Care: Avoid wearing during exercise. Includes: A matching box. Moissanite jewelry over 0.3 carats includes a certificate of stone properties. Product measurements: Chain length: 18 in Main stone: 1 carat Weight: 0.1 oz (3 g) Ships next day from USA 1 carat diamond MOISSANITE diamond Silver statement necklace Jeweled necklace Rhinestone Bridesmaid gift Mother’s Day Easter birthday Chain necklace