At Americut Gems, we buy our Rock Creek Sapphire™ rough from Potentate Mining LLC in Montana near Philipsburg. We take great pride in the fact that our sapphire is an All-American product that is made in the United States. We heat and precision cut our sapphire within the USA, but our Montana sapphire is available worldwide. It is also important to note that our Montana sapphire gemstones are eco-friendly and ethically mined and sourced. We offer a wide range of colors and shapes that are perfect for engagement rings or for adding a unique gem to your jewelry collection. To ensure the quality of our gems, each sapphire includes quality gemstone cutting reports, which proves its precision cutting. Shop our website to view our complete collection of loose Montana sapphires for sale. For further information about our Montana sapphire contact our team.