This ring is a size 6 1/2 (USA) Markings: PL (Tested & guaranteed to be Sterling Silver) This ring weighs 8.4 Grams The Stone/Design is Blue Turquoise Overlay Natural, industry standard treatment if any The Stone/Design measures 6 x 3.7 mm (largest stone) The Ring face measures 21.2 x 20.9 mm The condition of this ring is Estate, Great, light patina This vintage item is circa 1970 Thank you for viewing my item! Favorite the store to get updates when items go on sale!