Tourmaline 18K Yellow Gold Ring, Royal - This magnificent ring is fit for a queen, a splendid 8ct. Red Tourmaline sits high on its throne of 18K Yellow Gold. A one-of-a-kind stunner this ring with its rich color is a show stopper. 11.25x12.7mm Rubellite Tourmaline. Ring weighs a total of 11.8 grams.