Drain canned apricot (reserve a few); chop and set aside. Combine sugar, gelatin, apricot juice and lemon juice in saucepan; bring to a boil, stirring. Add a little of mixture to beaten eggs. Return to saucepan and cook until slightly thickened. Chill. Whip whipping cream; add chopped apricots. Combine mixture with angel food cake pieces. Pour into serving dish, Garnish with reserved apricot halves. Chill until serving time.