The Replica Montblanc Boheme pens we sell they are with serial number on the clip. and diamond on the clip. However we do not guarantee that you will receive the same color diamond as shown on our site. We have many color of diamonds. Everytime may different color. Sometimes blue diamond, sometimes white, sometimes purple. If you want a specific color of diamond on the clip. Please contact us. we will check our inventory if have that color or not.