2 cups white sugar
1 (3 ounce) package lime flavored Jell-O® mix
4 cups boiling water
1 (46 fluid ounce) can pineapple juice
2 cups bottled lemon juice (such as ReaLemon®)
2 tablespoons almond extract
4 cups cold water
Mix sugar and lime gelatin mix in a large bowl.
Stir 4 cups boiling water into gelatin mixture until sugar and gelatin have dissolved.
Thoroughly chill gelatin mixture in refrigerator, about 1 hour.
Place lime gelatin mixture into a large punch bowl; stir in pineapple juice, lemon juice, almond extract, and 4 cups cold water until thoroughly combined.