Gemstone Vineyard is a small, family-owned grape grower and producer of estate wines whose focus is on crafting richly textured red wines from Bordeaux varietals grown on their 16 acre hillside property in the Yountville appellation of Napa Valley. enjoy this magnum of 2005 Cabernet Sauvignon in a beautifully crafted wooden box.  This wine is rated 95 points by Robert Parker and the Wine Spectator.