Wash cold strawberries; halve strawberries and sprinkle with the sugar, chill thoroughly in refrigerator. Just before serving, beat cream until stiff. Beat vanilla-bean ice cream until fluffy; fold ice cream into whipped cream. Add Grand Marnier, blending until smooth. Arrange strawberries in a martini glass and spoon cream mixture over the strawberries. Be sure to save a few berries for garnish. Serve with a dollop of whipped cream and mint or red sugar. Strawberries Romanoff serves six.