This product is a Sure Fit! 8mm Round Tourmaline Solitaire Ring made of rhodium/silver metal with an adjustable size of 8 and will adjust one size for a perfect fit!  The ring features a natural blue-green tourmaline stone with a width of 8mm and a total carat weight of 1.95ctw. The stone is round in shape and has undergone clarity enhancement, heating, and irradiation treatments. The ring is a solitaire style and has no secondary stones. It is not vintage nor personalized.