Estee Lauder Unattainable is a cool plum with a satin finish that is permanent and retails for $32.00. In comparison, Chanel Camelia Grenat (617) is a cool berry with a satin finish that is limited edition and retails for $40.00.
Chanel Camelia Grenat (617) is 90% similar — it is more shimmery, more muted.