Carolyn Pollack Sterling Silver Mixed Metal Green Turquoise Statement Ring Genuine Green Turquoise, Brass, and .925 Sterling Silver Measures 1-1/8" long x 1" wide See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry A carved bluish-green turquoise cabochon is enhanced by a circle of brass and silver styling.