From the new Alison Glass collection "Postmark", this is 'Collector' in the Amethyst colourway. Minimum cut is a fat quarter. Multiples will be cut as whole pieces, as per below. Curated Fabric Bundles of this range are available here.
 
Multiples of:
1 = fat quarter (if you'd prefer a 25cm cut off the bolt please note this in the comments at checkout)
2 = 50cm off the bolt
3 = 75cm off the bolt
4 = one metre off the bolt & so on.