Illamasqua Radium is a warm green with a pearl finish that is permanent and retails for $17.00. In comparison, Christian Louboutin Beaute Loubichrome I is a warm green with a metallic finish that is limited edition and retails for $30.00.
Christian Louboutin Beaute Loubichrome I is 80% similar — it is more shimmery, lighter, warmer.