This elegant ring is crafted in 14-karat gold over .925 sterling silver and features a stunning array of sky blue topaz gemstones. Sky Blue Topaz = approximately 2.80 ct. tw. Material: 14-karat gold over .925 sterling silver Imported 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.