Fruits Lowest in Sugar

Small Amounts of Lemon or Lime

Rhubarb

Raspberries

Blackberries

Cranberries

Fruits Low to Medium in Sugar

Strawberries

Casaba Melon

Papaya

Watermelon

Peaches

Nectarines

Blueberries

Cantaloupes

Honeydew melons

Apples

Guavas - Pineapple Guavas (Feijoa) and Strawberry Guavas are probably similar

Apricots

Grapefruit

Fruits Fairly High in Sugar

Plums

Oranges

Kiwifruit

Pears

Pineapple

Fruits Very High in Sugar

Tangerines

Cherries

Grapes

Pomegranates

Mangos

Figs

Bananas

Dried Fruit, such as dates, raisins, dried apricots, and prunes   

(Source: health-heaven)