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