About the brand: Elegant diamonds. Stunning gemstones. 18-karat white gold and .925 sterling silver Signature brown diamond on inside of piece to empower women to discover their inner strength power and beauty = approximately 0.02 ct. tw Faceted pave-set natural blue sapphire and Lab-Created white sapphire gemstones = approximately 2.00 ct. tw. Ring can be re-sized by any professional jeweler; however if re-sized it will not be accepted for return 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. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined.