The chain is a diamond-cut chain</br>With sterling silver?? remember that tarnish is a natural process caused by oxidation?? but can easily be brought back to life with a non-abrasive silver polish or dip</br>Our signature shiny beveled edges are incorporated in each design</br>Made in United States</br></br>Amazon.com</br></br>Legend has it that luck radiates through each end of the Little Horseshoe and is said to magically protect its owner from the evil. Hanging delicately upward so your luck never runs out?? the horseshoe is one of the most well known good luck charms.</br><br/>http://www.amazon.com/gp/product/B0040SYETG