Molly McNamara Designs
- New Orleans artist offering designs using sterling silver and semi-precious stones.
- http://www.mollymcnamaradesigns.com

Majestic Jewelers
- Offering rings, pins and diamonds as well as jewelry-making supplies.
- http://majesticjewelers.com/

Miss Zula's
- Specializing in sterling silver, industrial wear, minerals, turquoise, mercasite, and pearls.
- http://www.misszulas.com/

Maurice
- Presents 18 karat, white and yellow gold, platinum, diamonds, pearls and colored stones.
- http://www.emaurice.com/

Melbun Jewelers
- Features 14K gold based pins, necklaces, and bracelets with a assorted gemstones.
- http://www.netportraits.com/melbunjewelers/

Manley's Jewelry
- Offers watches as well as Judith Jack, Alwand-Vahan, and Tacori designer jewelry.
- http://www.manleysjewelry.bigstep.com/

Mondera Inc.
- Presents a selection of certified diamonds, settings, gifts, and colored stones.
- http://www.mondera.com/

Morgan Jewelers
- Wedding rings, necklaces, bands, and bracelets in a variety of settings.
- http://www.morganjewelers.com/

Modell
- Diamond rings, assorted stones, estate, pendants, necklaces, bracelets, and earrings.
- http://www.gmodell.com/

Mike's
- Presents rings, bracelets, necklaces, watches, and earrings.
- http://www.realpages.com/sites/mikesfinejewelry

My Jewelry Source
- Features a collection of diamond, 14kt yellow and white gold, and gemstone jewelry.
- http://www.myjewelrysource.com/

Mercury Ring Corp
- Bridal jewelry, pendants, earrings and accessories.
- http://www.mercuryring.com