In a small saucepan, combine the first six ingredients. Bring to a boil; cook and stir for 2 minutes or until thickened. Remove from the heat; cool to room temperature.
Thread fruit onto eight metal or soaked wooden skewers. Brush with half of glaze. Lightly oil grill rack.
Grill, covered, over medium heat until lightly browned, 5-7 minutes, turning occasionally and basting frequently with remaining glaze. Just before serving, sprinkle with mint. Serve warm.