This ring is a size 9 1/4 (USA) Markings: Sterling, Ram’s head (Darrell Cadman, Navajo) (Tested & guaranteed to be Sterling Silver) This ring weighs 7.8 Grams The Stone/Design is Blue High Grade, Turquoise Star Natural, industry standard treatment if any The Stone/Design measures 11.8 x 8.6 mm The Ring face measures 22.6 x 18.4 mm The condition of this ring is Estate, Great, moderate patina This vintage item is circa 1990 Thank you for viewing my item! Favorite the store to get updates when items go on sale!