This beautiful ring is sterling silver and is handmade by a Navajo native american artist. The Boulder Turquoise gemstone (also known as Royston Ribbon Turquoise) shows ribbons of light blue to aqua blue shades of Turquoise running through a greyish-brown host rock. The stone is set in a smooth bezel housing surrounded by hand saw cut design edges. The ring measures 1.04" long and 0.81" wide. Ring size is an 7 3/4.