A Gorgeous Estate Vintage Tourmaline Diamond Ring in 14K White Gold, a Wonderful Estate Ring for Everyday or a Lovely Wedding Band Idea. The estate ring holds a gorgeous vibrant green tourmaline gemstone at its center measuring about 5 mm in diameter. There are two diamonds that are bezel set to the side of the tourmaline. The setting has wonderful detailing and is composed of 14K white gold. The entire ring measures about 3/8 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 1/4 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is in lovely vintage condition.