Marc Jacobs Beauty Genie Kiss (384) is a warm mauve with a sparkle finish that is limited edition and retails for $29.00. In comparison, Becca Rose Quartz x Seashell is a warm pink with a sparkle finish that is limited edition and retails for $22.00.
Becca Rose Quartz x Seashell is 90% similar — it is more shimmery, darker.