About the brand: Fine jewelry with impeccable style - designed to be Everyday Extraordinary. Sterling Silver Faceted Round-cut Buttercup-set diamond = approximately 0.10 ct. tw.; color = H-I; clarity = I3 Octagon Amethyst, Pear Shape Sky Blue Topaz gemstones = approximately 3.10 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.