Kunzite Ring 14kt Yellow Gold. For sale is an elegant ladies ring in 14K yellow gold set with a modified oval Portugese cut natural kunzine (4.77cts). The ring is hallmarked 14K 'S' by Stuller, it is a size 6. The ring was cast and handset with a bright polished finish, it is in very good condition. This includes an insurance appraisal of $1100.00.