Natasha Denona Dainty (425DCS) is a warm pink with a metallic finish that is limited edition and retails for $29.00. In comparison, Natasha Denona Duet (431DC) is a warm lavender with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Duet (431DC) is 90% similar — it is less shimmery, cooler.