I've spent some time in high school making knotted bracelets and necklaces...I really like some of these other patterns I've never tried.
Friendship bracelet pattern
pearl bracelet tutorial. This would be beautiful made with crystals and wider.
Chevron Necklace Tutorial via Craft Pond
Jewelry Design - Single-Strand Necklace and Earring Set with Swarovski Crystal and Silver-Plated Brass Findings - Fire Mountain Gems and Beads
Handmade leather wrap bracelet with silver by ChristinaBbracelets