This ring is a size 14 1/4 (USA) Markings: Sterling, AT (Ambrose Tsosie) (Tested & guaranteed to be Sterling Silver) This ring weighs 24.7 Grams The Stone/Design is Blue Turquoise Oval Natural (Standard Industry treatment, if any) The Stone/Design measures 30.3×20.9 mm The Ring face measures 36.1×26.3 mm The condition of this ring is Estate, Very good, moderate patina, hairline crack east to west across the whole stone adds character This vintage item is circa 1990 Stock# R3576Aly Thank you for viewing my item! Favorite the store to get updates when items go on sale!