Pink Tourmaline, Gold Ring, Bvlgari The ring features a sugarloaf-cut pink tourmaline measuring 8.00 x 8.00 x 6.00 mm, accented by baguette-cut diamonds weighing a total of approximately 0.15 carat, set in 18k gold, marked Bvlgari. Gross weight 11.20 grams. Size: 8-1/2 (sizeable)