Pat McGrath Iridescent Pink 003 is a cool duochrome with a pearl finish that is limited edition and retails for $25.00. In comparison, Pat McGrath Iridescent Pink (003) is a cool lavender with a metallic finish that is permanent in palette and retails for $60.00.
Pat McGrath Iridescent Pink (003) is 95% similar — it is less shimmery, more muted.