Can a jeweler tell if a diamond is stolen?

As a curious individual, I'm wondering if there's a way for a jeweler to discern whether a diamond they're assessing is stolen or not. Is there a unique identifier or traceable marker that accompanies every diamond, allowing professionals in the field to authenticate its legitimacy and origins? Or is it purely reliant on the jeweler's expertise and knowledge of the industry's practices and red flags to make such a determination? I'm intrigued to understand the intricacies of this process and how the industry safeguards against the trade of stolen gems.