GreatJewelryDirectory.com is an online directory that providing free resource about diamond jewelry, ring, vintage jewelry, pearls, jewelry supplies, shopping.

Diamonds Directories

Listings
Guide and directory for buying diamonds.
http://www.diamondreview.com/
Compares prices and quality of diamonds from various dealers.
http://www.pricescope.com/
Compare diamonds from Internet and local retailers. Also offers precious stone and pearl tutorial.
http://www.gembeat.com/