Laura Mercier Seashell is a warm gold with a pearl finish that is permanent and retails for $29.00. In comparison, Chanel Electrum Lamé (905) is a warm gold with a metallic finish that is limited edition and retails for $30.00.
Chanel Electrum Lamé (905) is 85% similar — it is more shimmery, darker, more muted, cooler.