Clionadh Mist is a cool lavender with a metallic finish that is permanent and retails for $5.25. In comparison, Natasha Denona Aerialist (371SM) is a neutral lavender with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Aerialist (371SM) is 80% similar — it is more shimmery, lighter, warmer.