This ring is a size 7 1/4 (USA) Markings: Sterling (Tested and guaranteed to be Sterling Silver) This ring weighs 7.9 Grams The Stone/Design is blue-green, Brown Turquoise – Natural, with no treatment The Stone/Design measures 20.6 x 9.6 mm The Ring face measures 26.2 x 17.1 mm The condition of this ring is Estate, Great, light patina This vintage item is circa 1940 Thank you for viewing my item! Favorite the store to get updates when items go on sale!