Stone: 2.1cttw - D Color VVS1 Moissanite Material: S925 Sterling Silver Finish: 18k White Gold ABOUT MOISSANITE: Moissanite tests as a diamond on the thermal diamond tester and is the most BRILLIANT gemstone. It has a hardness score of 9.25 on the MOH’s scale for hardness, and more durability than sapphire, ruby, or emerald. Diamond scores a 10 in comparison. Moissanite are NOT mined diamonds. Mined diamonds are often extracted from sensitive war zones in Africa, making the process environmentally damaging and socially unethical. Mining has carbon footprint, with land clearing and solid waste production as its major consequences. The stamp 925 is used to identify genuine sterling silver jewelry, which contains 92.5% silver. 925 sterling silver is a precious metal that is the best type of silver in jewelry design