Though originally planted at Standing Stone Vineyards with blending in mind, Saperavi — a cold-hardy grape originally from Georgia (not the state) — has earned co-owner/wine Marti Macinski accolades. And she’s only been bottling it on its own since the 2005 vintage. In a region where dark, inky reds are anything but the norm, it’s easy to see the appeal. Beyond the color — which ultimately has little (no) bearing on a wine’s quality or even intensity — there is even more to like. Standing Stone Vineyards 2013 Saperavi ($30) oozes with plum and blueberry fruit aromas that are accented by a slightly…