This elegant ring features a faceted cushion-cut amethyst and round-cut diamonds set in sterling silver with a total weight of 0.55 ct. tw. Faceted Round-cut Prong-set Diamond = approximately 0.01 ct. tw.; color = H-I; clarity = SI3-I1 Faceted Cushion-cut Prong-set Amethyst = approximately 0.54 ct. tw. Material: .925 sterling silver Care Instructions: 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. Imported Ring can be re-sized by any professional jeweler; however, if re-sized, it will not be accepted for return Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined.