This elegant bypass ring is crafted in .925 sterling silver and features two luminous moonstones for a sophisticated, modern look. Moonstone = approximately 2.15 ct. tw. Material: .925 Sterling Silver Imported Moonstone measures approximately 5x7mm 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.