About the brand: Fine jewelry with impeccable style - designed to be Everyday Extraordinary. .925 sterling silver Shared Prong-set Diamond = approximately 0.06 ct. tw.; color = I-J; clarity = I3 Green Amethyst gemstones = approximately 6.50 ct. tw. Ring cannot be re-sized It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.