If you're a frugal shopper, your best bet is this Hobo Clutch. It's a wonderful item, while not very expensive. Another smart option is this Rebecca Minkoff Clutch. While the price is not very high, be sure that this item will become a wonderful addition to your wardrobe. You might also want to consider this Marsèll Clutch. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking at it like an investment piece, then what you're looking for is this Valentino Clutch. It's more expensive but worth your money. While you're at it, also have a look at this Jason Wu Clutch. Yes, this item is expensive, but it does not mean it's not worth it. Also check out this Fendi Clutch. You won't regret the money spent!