Guerlain Rouge Saphir (821) is a cool red with a natural finish that is discontinued and retails for $58.00. In comparison, Chanel Palpitante (102) is a cool red with a satin finish that is limited edition and retails for $45.00.
Chanel Palpitante (102) is 80% similar — it is less shimmery, lighter, less glossy.