Charlotte Tilbury Smokey Quartz is a warm taupe with a metallic finish that is limited edition and retails for $34.00. In comparison, L'Oreal Bronzed Taupe is a warm taupe with a metallic finish that is permanent and retails for $7.99.
L'Oreal Bronzed Taupe is 80% similar — it is more shimmery, darker, warmer.