Here's how to make the Jedi Belt worn by Qui-Gon, Obi-Wan and Anakin in Episodes I & II. First there are some reference photos which illustrate the fact that there is quite a variety in the style.
Materials: 2 in wide leather belt blank; 1 in wide leather belt blank; leather dye in preferred color; buckles, 1 large for the back and the "fashion" buckle for the front; regular leather rivets and Sam Browne rivets; leather punch; leather glue