In my opinion, Zoya makes the best shimmer/sparkle finish nail polishes available. I normally prefer creme finish to the average shimmer, but Zoya's shimmer is special. All the little flecks give the finish an extra depth and complexity that most shimmer doesn't have. Zoya Sarah has this type of fantastic shimmer:
This red seems to simultaneously lean warm and cool, although more cool. The formula was easy to apply and totally opaque in two coats. Sarah is available for $8 at Zoya's website. You can get free shipping with the code SHIP2ME through 10/26!