Blue Tourmaline and Diamond Halo RingThis gorgeous white gold ring features a beautiful ocean blue Indicolite Tourmaline surrounded by a halo of round brilliant diamonds. The unique shank features four rows of round brilliant diamond set rails . Making a beautiful statement the elegant rectangle long step cushion cut blue Tourmaline gemstone in this sophisticated piece weighs an impressive 5. 41 carats . Ring Specifications: 18 ct White Gold Weight: 12. 46 grams 160 Diamonds =1. 25 ct E