| Anthony's Jewelry | | Features diamond and gold jewelry including rings, certified diamonds, bracelets, earrings, and pendants. |
| Avo's and Co. | | Direct diamond importer and manufacturer of fine jewelry. |
| Best Gem | | Certified GIA and EGL diamonds. |
| D Diamond | | Loose diamonds with certificates, watches, diamond, and pearl jewelry. |
| Diamond Cutters | | Offers loose diamonds in a range of cuts, shapes and carats. Many diamonds are GIA and EGL certified. |
| Diamond Rings USA | | Certified diamonds available online with hand-made platinum settings. |
| DiamondNet | | Ideal cut and certified GIA, AGS and EGL certificated diamonds, loose or mounted. |
| Diamonds Here | | Jewelry shop, offers diamond jewelry items such as loose stones, rings, coins and precious gems. |
| Diamonds On Web | | Find a diamond online and inspect the diamond at a local jeweler of your choosing. |
| Diamonds USA | | Diamond cutters selling retail loose diamonds, all with EGL or GIA certificates. |
| DiamondSafe.com | | Offers diamond engagement rings, stud earrings, pendants, and loose stones. |
| Dutton's Diamonds | | A range of loose, well cut, diamonds (most graded by GIA or AGS), fancy colored diamonds and colored gemstones. |
| E Diamond Corp. | | Certified GIA and clarity enhanced loose diamonds, earrings and pendants. |
| Fuller's Jewelry | | Features a wide range of diamonds and diamond jewelry. Specializes in Tycoon cut diamonds. | |
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