GREENVILLE, S.C. -- A woman was kidnapped and robbed at knife point on Tuesday afternoon, Greenville County deputies said.

Jessica Mercer, 24, of Greenville, told investigators that a man jumped in the passenger side of her car while she was stopped at the intersection of Edwards and Ike roads about 2:45 p.m.

Mercer told investigators that the man showed a knife and told her to drive him to Cherrydale. She said that when they arrived, the man forced her to hand over several items, including a diamond wedding ring, several credit cards, a cell phone and a GPS unit. She said that the man then jumped out of her car and ran away.

Investigators said that Mercer drove to another location and called for help.

The knife-wielding bandit was described as 6 feet tall and about 180 pounds with a dark complexion. He was wearing a black shirt, blue jeans and a red hat.

Mercer was unharmed, deputies said.

Anyone with information about the robbery and kidnapping was asked to call Greenville County Crime Stoppers at 23-CRIME.