This stacker features a tiny bezel-set 3mm gemstone of your choice. Choose from turquoise, red coral, amethyst, or onyx, as well as gold-fill, sterling silver, or solid gold. **The gold-fill option has a plain bezel, silver has a serrated bezel** Message me if there is a different stone you have in mind, or if your preferred material or size isn't listed. As all Klyne Jewelry is handmade in Los Angeles, California, please allow about two weeks for your item to be made and shipped out to you.