This, our premium line of sterling silver jewelry is made by Navajo Silversmiths in the Gallup, NM, USA area. The stones are top quality as is the workmanship. Often each piece has several hallmarks, sterling, the designers hallmark, and the silversmith’s hallmark. Also on most pieces will be the marks TOSF which along with that goes a two year warranty on workmanship. A warranty nearly unheard of in this industry.