NARS Moskova #1 is a cool teal with a metallic finish that is permanent in palette and retails for $19.00. In comparison, Natasha Denona Deep Teal (19M) is a cool teal with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Deep Teal (19M) is 90% similar — it is warmer.