Help Me Pick Out Something Cute From Tiffany & Co.?

can you help me pick out something nice from tiffany’s? i would like to get something i can wear everyday to school, when i’m going out with friends, etc. i’d like to keep it classy.
for charm bracelets:
choice A: http://www.tiffany.com/Shopping/Item.aspx?sku=GRP01430&mcat=148204&cid=316221&search_params=s+5-p+1-c+316221-r+-x+-n+6-ri+-ni+0-t+
choice B: http://www.tiffany.com/Shopping/Item.aspx?sku=GRP02060&mcat=148204&cid=316221&search_params=s+5-p+4-c+316221-r+-x+-n+6-ri+-ni+0-t+
for necklaces:
choice A: http://www.tiffany.com/Shopping/Item.aspx?sku=22208071&mcat=148204&cid=316221&search_params=s+5-p+8-c+316221-r+-x+-n+6-ri+-ni+0-t+
choice B: http://www.tiffany.com/Shopping/Item.aspx?sku=22991841&mcat=148204&cid=316221&search_params=s+5-p+3-c+316221-r+-x+-n+6-ri+-ni+0-t+
choice C: http://www.tiffany.com/Shopping/Item.aspx?sku=22991833&mcat=148204&cid=316221&search_params=s+5-p+1-c+316221-r+-x+-n+6-ri+-ni+0-t+
or i’m thinking of getting a chain like this:
choice A: http://www.tiffany.com/Shopping/Item.aspx?sku=GRP00763&mcat=148204&cid=287465&search_params=s+2-p+1-c+287465-r+101323338-x+-n+6-ri+-ni+0-t+
choice B: http://www.tiffany.com/Shopping/Item.aspx?sku=GRP00709&mcat=148204&cid=287465&search_params=s+2-p+1-c+287465-r+101323338-x+-n+6-ri+-ni+0-t+
and wearing charms like this with the chain as a pendant:
choice A: http://www.tiffany.com/Shopping/Item.aspx?sku=22640054&mcat=148204&cid=287463&search_params=s+2-p+2-c+287463-r+101323338-x+-n+6-ri+-ni+0-t+
choice B: http://www.tiffany.com/Shopping/Item.aspx?sku=23410575&mcat=148204&cid=287463&search_params=s+2-p+5-c+287463-r+101323338-x+-n+6-ri+-ni+0-t+
choice C: http://www.tiffany.com/Shopping/Item.aspx?sku=23461692&mcat=148204&cid=287463&search_params=s+2-p+8-c+287463-r+101323338-x+-n+6-ri+-ni+0-t+ (there’s another color which is pinkish red)