Big baby?

Tonia
Does a big baby necessarily mean gestational diabetes? Our baby boy was weighing in at almost 2 lbs at 24 weeks. And the tech and dr said hes pretty big. But im 5'10" and daddy is 6'1" we are both "big" people. My friend said I must have gestational diabetes because hes big but my dr didnt express any concern. I wanna know what others think?