Carolyn Pollack Sterling Silver Turquoise Double Finger Flower Ring Genuine Turquoise gemstones and .925 Sterling Silver Measures 1/2" W. Vine ring is not adjustable, order your size for this ring. Flower is adjustable. See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry A sterling silver flower blooms with a genuine blue turquoise gem at its center.