This beauty is made from solid sterling silver. The gemstone in pictures is a Mango Chalcedony. But the ring comes with a lot of gemstone options such as Rainbow moonstone, Labradorite, Black onyx, carnelian, Etc. We understand that you may not feel confident about how your gemstone will actually look. BUT DO NOT WORRY AT ALL. WE will show you how it will look before sending the ring. And if you don't like it, we will change the gem. We cut and polish all the gemstones at our workshop. And can assure you that these are all NATURAL and ETHICALLY Sourced. The metal doesn't have any lead or nickel. So no worries about any allergies. The ring has a strong built so it is a perfect everyday ring. The size of the gems is 10 x 14 mm I can also make the ring in: -24K gold plated -24K Rose gold plated Extra costs applicable for platings. All kinds of customizations can be done. Please feel free to ask me anything you want