This gorgeous 14K white gold diamond cocktail ring contains an oval blue tourmaline, surrounded by 16 round brilliant cut diamonds of G-H in color with a VS2 to SI1 clarity, approximately 1.40 carats in total weight. Although tourmalines come in all colors, blue is the rarest. This gemstone measures 6.5 mm x 4.0 mm, approximately .74 carats in total weight. It is a ring that displays beautifully on the hand at 18 mm across and 3 mm wide.