Our gemstones are all 100% natural and ethically sourced from the mining spots of several parts of Sri Lanka Madagascar, Tanzania and Mozambique. MSI Gems main source of sales and specialization has been with fine Sapphires of the Ceylon origin with exceptional cutting in various shapes and colors. The product line rough gemstones directly imported from various parts of the world, such as: Sri Lanka, Madagascar, Mozambique and Tanzania. the natural rough gemstones we get from the mining spots are preformed and polished by MSI team.