Pure Ice has a Butter London Black Knight dupe! It is truly uncanny.
See for yourself :)
Can you tell which one is Pure Ice and which is the BL?
Butter London Black Knight was middle finger ;)
And the name of the polish is
By the way, the only difference I can see is that the Pure Ice might dry a smidge matte-ier and has the tiniest bit of texture, but still nothing that requires top coat taming :)