STIR boiling water into combined gelatin and cinnamon in large bowl at least 2 minutes until gelatin is completely dissolved. Drain pineapple, reserving the juice. Add enough ice to reserved juice to measure 1-1/2 cups. Add to gelatin. Stir until ice is completely melted.
REFRIGERATE about 45 minutes or until gelatin is slightly thickened (consistency of unbeaten egg whites).
RESERVE 1/4 cup each of the pineapple and oranges. Add remaining pineapple and oranges to gelatin. Pour into 1-1/2-quart serving bowl.
REFRIGERATE 4 hours or until firm. Garnish with the reserved pineapple and oranges. Store leftover gelatin in refrigerator.
