LORAC Burnt Sienna is a warm copper with a metallic finish that is limited edition and retails for $19.00. In comparison, Le Metier de Beaute Carnelian Opal is a warm copper with a frost finish that is limited edition and retails for $30.00.
Le Metier de Beaute Carnelian Opal is 90% similar — it is less shimmery, darker, warmer.