Gemstones & Turquoise Ring Sterling Silver 925 925 Sterling Silver (Solid) Genuine Turquoise, Spiny Oyster, Lab Opal, Purple Turquoise (natural turquoise that has been treated & color-enhanced) Approx 1/2" wide x 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)