The man was spotted on surveillance video entering a store around 10:50 a.m. in the 6500-block of Grand Avenue requesting to see jewelry from a display, Gurnee police said.
While talking with the sales associate, the man took $50,000 worth of merchandise and ran from the store, police said. He didn't threaten the sales associate or show a weapon.
Police said the man left in a vehicle. He was last seen wearing a tan hat, a tan Carharrt jacket, blue jeans and tan shoes. He is missing a front, upper left tooth, police said.
Anyone with information is asked to call the Gurnee Police Department at 847-599-7000.