Carolyn Pollack Sterling Silver Multi Gemstone Statement Necklace, 17 Inch Genuine Amethyst, Turquoise, Citrine, and .925 Sterling Silver Necklaces measures 17" long; Adjustable 20" long See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Blue turquoise, amethyst and citrine gemstones take this necklace from casual to elegant.