Givenchy Blanc Satin (1) is a cool silver with a sparkle finish that is permanent and retails for $23.00. In comparison, Marc Jacobs Beauty Stagelight (302) is a cool white with a glitter finish that is limited edition and retails for $32.00.
Marc Jacobs Beauty Stagelight (302) is 90% similar — it is more shimmery, more pigmented.