This Montblanc fountain pen is a unique pen, it belongs to the Bohème collection which is one of their most prized permanent collection. The nib is retractable and is made of platinum plated gold. The barrel is 18 K white gold barrel as is the cap and is set with a total of 1,430 brilliant-cut white and black diamonds (Top Wesselton WS quality), The Montblanc star on top is made of 19 diamonds. The clip is set with a paramount-cut diamond. Also see the 100 anniversary Montblanc Mountain Massif Skeleton Pen.