If you're on a thrifty budget, your best bet is this Diesel Tote Bag. It's a great item, while not very expensive. Another great option is this Diesel Bucket Bag. While the price is competitive, be sure that this piece will become a wonderful addition to your wardrobe.
For something in the middle of the price range, look no further than this Diesel Backpack. This item doesn't cost too much, but absolutely invaluable in your wardrobe. It's also worth considering this Diesel Clutch. This piece is extremely popular and, just as importantly, not very expensive.