Metal: Sterling silver with 925 stamp. Hypoallergenic and won't leave marks or irritate the skin Measurements: Width 3.5mm Stone: 1.1x1.1mm Round Near Colorless Moissanite Number of Stones: 155 Weight: 1.08ct tw Setting: Pave 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