In a large whisk in boiling water into gelatin for 2 minutes until dissolved. Add enough ice to cold water to measure 1 1/2 cups total. Add this to gelatin and stir until ice is completely melted. Refrigerate roughly 45 minutes or so until the gelatin is slightly thickened. This will not be set.
Remove 1 1/2 cups of the gelatin and set aside. Add 1/4 cup of the whipped topping to remaining gelatin and stir with wire whisk until well blended. Reserve the rest of the whipped cream to top at the end. Pour into 8 inch square dish and refrigerate about 15 minutes until set but not firm. Carefully spoon reserved gelatin that was set aside over the creamy layer in dish.
Refrigerate 3 hours until firm. Cut into 9 squares to serve. Top each with a dollop of remaining whipped topping.