Diamond Collection is for the casual wine drinker, looking for quality wines they can trust, offering acclaimed premium wines that, vintage after vintage, delight with classic expressions of winemaking. Introducing a sparkling new member of the Diamond Collection, Diamond Prosecco! Imported directly from the Prosecco DOC. in Italy, the Francis Coppola Diamond Collection Prosecco is crafted from select grapes in northeastern Italy, between the Adriatic Sea and the Dolomite Mountains.