925 Sterling Silver Ring with Genuine Turquoise and Semiprecious Gemstones Sizes 6 to 11 925 Sterling Silver (Solid) Genuine Turquoise, Spiny Oyster, Purple Turquoise (natural turquoise that has been treated & color-enhanced) Approx. 1/2" wide Premium Quality | Imported Turquoise Network: Fine jewelry at UNBELIEVABLE low prices! Accredited member of the Better Business Bureau (A+ Rated)