for a black quilted cros*****ody bag, not all of these have gold hardware, also not sure if the size is going to work. But they are certainly a lot cheaper than $318:
Michael Kors: $74.4 http://www.theoutnet.com/product/106149?cm_mmc=LinkshareUS-_-J84DHJLQkR4-_-Custom-_-LinkBuilder&siteID=J84DHJLQkR4-4f2.yYBwg7ZALjBgyKTvOQ
DSW/Urban Expressions: $29.95 http://www.dsw.com/handbag/urban+expressions+natalie+cross+body+bag?prodId=230521&cm_mmc=affil-_-ShopStyle.com-_-main-_-main - choose the black color