This ring is a size 10 (USA). Sterling (Tested & guaranteed to be Sterling Silver) This ring weighs 31.3 Grams The Stone/Design is Blue, Red Turquoise, Coral Feather, Floral, Long Natural, industry standard treatment if any The Stone/Design measures 12.5 x 23 mm (turquoise stone) The Ring face measures 23.4 x 71.7 mm The condition of this ring is Estate, Very good, cleaned/polished to like new condition, superficial wear if any This vintage item is circa 1980 Stock# R5501Dor Thank you for viewing my item! Favorite the store to get updates when items go on sale!