Diamond Rings: Blue Nile – Features an interactive diamond search, a perfect diamond finder, check out recently purchased diamonds. Their engagement ring department features both pre-set diamonds and build-your-own rings.
Diamond Rings: Diamond.com -Large selection of loose diamonds, rings, earrings, pendants, bracelets, necklaces, watches, and men’s jewelry, as well as clearance items. Check out engagement rings to design your own ring, or browse the engagement ring showcase and bridal sets.
Affinity Diamonds – Buy loose diamonds and engagement rings, as well as diamond bracelets, earrings, pendants, and men’s jewelry. 30-day return policy. Also check out the education center for help in choosing a diamond.
Gem Nation – Research and buy loose diamonds and other gems. Browse diamond shapes or search according to your specifications. Also check out their jewelry selection to purchase settings with or without stones.
Tiffany – Selection of diamond pendants, earrings, and bracelets. Check out the famous Tiffany diamond engagement rings; in addition to the standard "Tiffany style" ring, browse a wide selection of Tiffany exclusives.
Diamond Rings: FindMyJeweler – A free search engine to locate a local diamond dealer. Dealers pass "secret shopper" tests and evaluation by a diamond expert.