ColourPop Glitterati is a cool pewter with a sparkle finish that is permanent and retails for $6.00. In comparison, Make Up For Ever D552 Crystalline Gray Beige is a warm pewter with a frost finish that is discontinued and retails for $21.00.
Make Up For Ever D552 Crystalline Gray Beige is 85% similar — it is less shimmery, darker, cooler.