If you're looking for something in between pricewise, look no further than this Rula Galayini Crossbody. This item doesn't cost the earth, but absolutely indispensable in your wardrobe.
If you're not the one to skimp on clothes, then what you're looking for is this Gucci Cross Body Bag. It's more expensive but worth your money. While you're at it, also have a look at this Stalvey Cross Body Bag. Yes, this item is expensive, but it does not mean it's not worth it.