NARS L'Amour, Toujours L'Amour #12 is a neutral purple with a sparkle finish that is discontinued and retails for $25.00. In comparison, Make Up For Ever D830 Black Rose is a warm purple with a sparkle finish that is permanent and retails for $17.00.
Make Up For Ever D830 Black Rose is 90% similar — it is less shimmery, warmer.