This elegant sterling silver ring features a vibrant round-cut blue topaz accented by a sparkling diamond, totaling 0.91 ct. tw. Faceted round-cut prong-set diamond = approximately 0.01 ct. tw.; color = I-J; clarity = SI3-I1 Blue topaz gemstones = approximately 0.90 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 Exceptional sparkle, luxurious designs. 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.