Giving a professional look banishes you from being your frivolous self. If you need to show all that you mean only business than piling on all the accessories is not going to help you do so. Got with a simple watch or little ear rings or studs to match your outfit.
If you work in a creative environment, you have more freedom in the jewelry department—but that doesn’t mean you should go crazy. The focus should be on one main accessory like a statement necklace or a colorful handbag. Keep the rest simple.