Very beautiful Roberto Coin natural diamond 18k solid white and yellow gold hammered design band ring. (Stamped 18K, with the Roberto Coin’s signature ruby). Weight : 11.5 grams. Shank width appx: 8 mm. Total diamond weight appx: 1.15 Ct. COMES WITH A BEAUTIFUL GIFT BOX AND APPRAISAL CERTIFICATE! Please add me to your Favorites list….