MAC Immortal Flower is a warm coral with a satin finish that is limited edition and retails for $24.00. In comparison, Charlotte Tilbury Seductive Beauty (Cheek Swish) is a warm coral with a luminous finish that is limited edition and retails for $40.00.
Charlotte Tilbury Seductive Beauty (Cheek Swish) is 90% similar — it is more shimmery, darker, more muted, cooler.