This ring is a size 7 (USA); It may not be resized Markings: Unmarked (Tested & guaranteed to be Sterling Silver) This ring weighs 11.6 Grams The Stone/Design is Blue Turquoise Natural no treatment, one smaller replacement stone appears to be block/man made The Stone/Design measures 22.3 x 9.9 mm The Ring face measures 39.1 x 22.2 mm The condition of this ring is Estate, Great, moderate patina, this ring features strange clay in the under gallery that makes it comfortable to wear This vintage item is circa 1970 Thank you for viewing my item! Favorite the store to get updates when items go on sale!