Do you have an expensive girlfriend / spouse? Find out from her birthstone.

bluenile.com — Bluenile has an informal and amusing way of figuring out whether or not the girl you are courting is expensive. Girls from April and October seem to be expensive with a minimum price of $200, while others range from $30 to $45. So if you want to get more bang for your buck, then think with your wallet. Note: This might put you in the doghouse.