If you need more sizes and shapes and stones which are not listed please let us know, we will make special listing for you. Being a factory we can make gemstone beads/cuts in all type of precious and semi-precious gemstone and all needed way and style. All items were manufactured at our own factory by our skilled workers that let us to keep our prices down so we can sell all type of gemstones in reasonable price. Natural purple amethyst smooth round beads for making jewelry.Product name :- amethyst necklace. We take order work as well. Feel free to contact for purchasing goods in bulk. Measurements & weight are close approximations. This item is made of gemstone.