O'Hare Antiques Fair
Antiques Show at Arlington Park

Links to diamond/gemstone sites:

Gemological Institute of America: Official gemstone certification and education.
DiamondReview.com: Tutorial on buying a diamond.
Diamonds.net
Bridal Tips: Buying a Diamond: Tips on weddings and engagement rings.

Links to magazines:

Collect.com (The Antique Trader)

Links to general antique sites:

About.com's guide to antiques.
Antiqnet: A guide to antique shows and shops.

Suggest a site:If you see a site that is absolutely wonderful and that we should have a link to, please tell us!