Benefit Icebreaker is a neutral sheer with a sheer finish that is permanent and retails for $16.00. In comparison, Guerlain L'Oiseau de Feu (901) is a neutral sheer with a pearl finish that is limited edition and retails for $30.00.
Guerlain L'Oiseau de Feu (901) is 85% similar — it is more shimmery.