This is a natural turquoise ring in a sterling silver setting. This turquoise was mined at the Pilot Mountain Mine, and is a natural piece of turquoise. Daniel Zender is the artist. He has been making and selling jewelry for almost 50 years. this ring is a size 8, and can be sized. These rings are all one of a kind. Measures at 2mm x 3mm Turquoise measures at 1mm wide and 2mm long.