Natasha Denona Mint Frost (170SM) is a warm aqua with a metallic finish that is limited edition and retails for $29.00. In comparison, Anastasia B1 (Norvina Vol. 3) is a cool aqua with a metallic finish that is limited edition and retails for $12.00.
Anastasia B1 (Norvina Vol. 3) is 95% similar — it is less shimmery, cooler.