Preheat grill to high.
Cut peaches in half; remove pits.
Brush cut side of peach halves with olive oil and place on grill, cut side down.
Grill until golden brown and caramelized, 2 to 3 minutes.
Turn peach halves over and grill until slightly soft and just warmed through, about 2 minutes longer.
Remove from grill and drizzle with honey.
