Tanzanite Solitaire Style Ring 14kt White Gold. The solitaire style ring contains a mixed round brilliant cut natural tanzanite weighing 1.58cts, set in a four-prong Tiffany style mounting, it is hallmarked 14kt. The tanzanite is heavily included and medium, slightly grayish/strongly bluish violet in color. The ring was cast, assembled and handset with a bright polished rhodium plated finish. The ring size is 6 1/4 and it is in very good condition. This includes an insurance appraisal of $795.00.