Jewell is an unincorporated community in Warren County, Georgia, United States. It lies along Georgia Piedmont Scenic Byway State Route 16 to the southwest of the city of Warrenton, the county seat of Warren County. Jewell's elevation is 420 feet (128 m). It has a post office with the ZIP code 31045. It is by the Ogeechee River, which is the western border of Warren County at this point.