PreciousGlow
Offers engagement rings, diamond rings, wedding ring, anniversary ring, wedding bands, tiffany engagement ring, and diamond earrings.
http://www.preciousglow.com/

Helzberg Diamonds
Shop a large selection of fine diamond jewelry, diamond engagement rings, wedding rings, three-stone jewelry, diamonds, colored gemstones and exclusive Helzberg Diamonds' designed jewelry. Learn about buying diamonds, ring selection, gemstone jewelry and more using the online learning guide.
http://www.helzberg.com/

Swarovski Jewelry
Online seller of Swarovski rings, bracelets, necklaces, earrings and cuff links
http://www.swarovski-jewelry.net