Like Champagne, there are now regulations in place that determine what can legally be called Prosecco Rosé.Here's some things you need to know about the difference between Prosecco Rosé and Sparkling Rosé:.For wine to be labeled Prosecco Rosé, grapes must come from a geographic area specified by the Italian government.The majority of Prosecco Rosé is made with Glera grapes (about 85%), and the rest from Pinot Noir grapes.Sparkling rosé wines can be made with different grape selections from various regions.Italy's guidelines require that Prosecco Rosé be fermented for 60 days in stainless steel tanks.Other sparkling rosés only need to be fermented for as little as one week.So if you have to pay extra for Prosecco Rosé, keep in mind that the strict quality standards help make it worth the price