Combine berries, water and lemon juice in a blender; process until smooth. Stir in Stevia to taste.
Divide mixture evenly among 9 (4-ounce) ice-pop molds.Top with lid; insert craft sticks.
Freeze pops overnight or until set.
¼ cup water
2 cups raspberries
2 cups blueberries
1 tbsp fresh lemon juice
Stevia to taste