This ring is a size 12 (USA); It may not be resized Markings: VC (Likely Viola Calavaza) (Tested & guaranteed to be Sterling Silver) This ring weighs 13.4 Grams The Stone/Design is Blue Turquoise Leaf Natural, industry standard treatment if any The Stone/Design measures 12.3 x 10.3 mm The Ring face measures 22.7 x 18.8 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!