Southwest Spirit Sterling Silver Floral Pastel Bold Ring Genuine Chalcedony, Amethyst, & Prehnite and .925 Sterling Silver Measures 3/4" L x 3/4" W See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Sterling silver surrounds blue chalcedony, purple amethyst, pink chalcedony and green prehnite.