Glycemic Index of Sample Fruits
Apple GI is 38
Banana GI is 55
Cantaloupe GI is 65
Cherries GI is 22
Grapefruit GI is 25
Grapes GI is 46
Kiwi GI is 52
Mango GI is 55
Orange GI is 44
Papaya GI is 58
Pear GI is 38
Pineapple GI is 66
Plum GI is 39
Watermelon GI is 7 (Corrected to show GI of 70, not 7. Tofi)

It looks like the kiwi is higher then grapes or apple (apple does me in) but lower then cantaloupe-go figure. Use in moderation mixed with berries or hold off until maintenance.