Carolyn Pollack Sterling Silver Blue Lace Agate Bold Ring Genuine Blue Lace Agate and .925 Sterling Silver Measures 1 -1/8" long x 3/4" wide See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Highly polished sterling silver scrollwork with a radiant carved diamond-shaped blue lace agate.