In A Small Saucepan, Combine The Preserves, Mustard, Lemon Juice And Cinnamon. Cook And Stir Over Low Heat For 2-3 Minutes. Set Glaze Aside. Score Edges Of Ham. Grill, Uncovered, Over Medium Heat For 8-10 Minutes On Each Side, Brushing With Glaze During The Last Few Minutes Of Grilling.