Rating: 90 Points – Jeff Leve (The Wine Cellar Insider)

About the Producer: Cornerstone Cellars is a boutique winery located in Napa Valley in the sub-region of Yountville. The brand was founded in 1991 by Mike Dragutsky and David Sloas. Cornerstone produces a range of wines from prestigious appellations within the Napa Valley, with a particular focus on Cabernet Sauvignon.Cornerstone's focus is on varietal Cabernet Sauvignon, typically aged for up to 22 months in mostly new French oak barrels.