Pour boiling water on gelatin; stir until gelatin is dissolved. Measure reserved apricot syrup; add enough cold water to measure 1 cup. Stir syrup-water mixture and wine into gelatin. Pour into 4-cup ring mold. Refrigerate until firm, at least 5 hours. Mix apricot halves and grapes. Cover and refrigerate. Just before serving, dice banana; stir into apricot halves and grapes. Unmold gelatin; fill center and garnish side of ring with fruit.