14-karat rose gold Lab-Created Sapphire gemstones = approximately 4.25 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. This patented eternity band ranges 2 full sizes from your true finger size. Each ring will range one size lower and size higher providing a luxurious and comfortable fit no matter the circumstance.