http://www.diamond.com
2. American Diamonds Forever
http://www.shopadf.com
3. ice.com
http://www.ice.com
4. Blue Nile
http://www.bluenile.com
5. Zales
http://www.zales.com
6. Mouawad
http://www.mouawad.com
7. Gemologica.com
http://www.gemologica.com
8. Reeds Jewelers
http://www.reeds.com
9. Mayor's
http://www.mayors.com
10. Kay Jewelers
http://www.kay.com