Description Our faceted Grade AA Genuine Natural Square cut Amethyst Gemstones will display a bright pure purple color of medium-deep tone (as picture shows). These gems have been faceted to a very high professional lapidary standard and have a very good make, polish and symmetry. It has a clarity rating of Eye Clean Plus (VS), meaning that it can have very minute inclusions that can only be seen with the aid of a microscope. Our genuine Amethyst gemstones have undergone traditional heat treatment. Amethyst gemstones are sourced from Uruguay or Brazil. NOTE: Be sure to select the RIGHT gemstone/diamond by millimeter size only. Selecting your gemstone/diamond by carat weight is NOT ACCURATE. The best way to select the right size gemstone/diamond is to use our size chart image or consult with a local jeweler to measure your setting or gemstone.