Pit and roughly slice 2 peaches and place in blender with wine, peach schnapps, and stevia. Blend until smooth; about 30 seconds - 1 minute.
Pit and thinly slice remaining peach.
Pour puree mixture into popsicle molds, filling each about 1/2 way full. Place 1-2 peach slices into each mold and top with any remaining puree mixture. Cover and insert popsicle sticks.