925 Sterling Silver Ring with Genuine Turquoise & Semiprecious Gemstones Size 5 to 12 925 Sterling Silver (Solid) Genuine Turquoise, Spiny Oyster, Green Turquoise, Purple Turquoise (natural turquoise that has been treated & color-enhanced) Approx 1.5" long (see ruler image) | Given the wider shank, we recommend ordering 1 size larger than usual Premium Quality | Imported Turquoise Network: Fine jewelry at UNBELIEVABLE low prices! Accredited member of the Better Business Bureau (A+ Rated)