Cut the grapefruit in half, and set aside one half. Juice the remaining half, and combine with honey, cilantro, and orange extract. Set aside.
Segment the reserved grapefruit, and combine with jicama, pears, oranges, apples, and mango in a large bowl. Pour cilantro dressing over the fruit, and stir to combine. Chill in the refrigerator for at least one hour before serving.