Place the 1 tbsp of water in a small dish, and sprinkle with the gelatin powder, then set aside.
Beat the whipping cream with the sugar until firm peak with the electric hand blender.
Place the crème caramel in a different bowl and beat until smooth with the same electric blender.
Combine the crème caramel and whipped cream. Then taste it, add more sugar if needed.
Microwave the swelled gelatin about 30 seconds until hot, but not boiling. Remove the gelatin mixture from the microwave and stir until clear and completely dissolved.
Fold the gelatin mixture into the cream mixture, while whisking vigorously until well combined.
Pour the mixture in container and put it in the fridge for about 3 hours.
Spoon the mousse and serve the fresh figs.