Sterling silver - Not marked 925, but acid tested See Photo for condition- the stone shifts gently in the setting Sz 6-- stone is redder than my camera picks up. We are happy to apply a chemical tarnish remover prior to shipment. To have your piece polished, you must immediately request it after purchase. The polish will significantly shine up the piece. We list items unpolished because some people like the vintage patina! Quarter sizes are always sized down to the nearest half size. Additional info: Sterling is a fine metal which will not turn your fingers green. May tarnish with wear but easily polished. Will last a lifetime and holds metal value. We test all of our silver for authenticity. do not know anything about the stones in my rings. I price them based on style, uniqueness, and their weight. Offers are welcome. You can make an outright offer or DM me an offer. Most are accepted. Many rings available. Bundles welcome.