Tom Ford Beauty Bittersweet (03) is a warm plum with a luminous finish that is limited edition and retails for $55.00. In comparison, Obsessive Compulsive Cosmetics Nomad is a warm plum with a pearl finish that is permanent and retails for $18.00.
Obsessive Compulsive Cosmetics Nomad is 90% similar — it is more shimmery, darker.