A $10,000 ring was stolen from Kohl's Department store on 8500 Henry Avenue, just after noon on February 23.
The suspect was caught on surveillance video.
Police say the man asked a store employee to look at several high-priced diamond rings. While looking at a one carat, square-cut, yellow gold diamond ring worth $10,000, the suspect took off running out of the store, police said.
The suspect was last seen driving away from the scene in a red-colored vehicle.
If you recognize the man in this video, call Philadelphia Police at 215-686-TIPS.