If you're looking for a good deal, why not look at this RED Valentino Crossbody. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth looking at this No.21 Crossbody Bag. This product is extremely popular and, just as importantly, not too pricey.
If you're in a Treat Yo' Self mood, then what you're looking for is this Gucci Crossbody Bag. It's more expensive but worth your money.