Margo Manhattan designer of sterling, platinum, and gold jewelry. Also offers made to measure services. http://www.margomanhattan.com/

Marne Ryan Designs Hand constructed jewelry made of intricate textures of high karat golds, platinum, and sterling with rare and unusual gemstones. http://www.marneryan.com/

Mattioli Gioielli Italian jewelry designer. http://www.mattioligioielli.it/

Meg, Leon Specializing in handmade gold and platinum jewelry. http://www.artofplatinum.com/

Ofiesh, Gabriel Custom designs and produces one-of-kind pieces and offers several distinctive lines of work including his Orbit Ring series and his collection of woven precious metal jewelry. http://www.orbitrings.com/

Pearlman Showcasing gold, white gold, silver and platinum diamond jewelry. http://www.pearlmansjewelers.com/

Strott-Alvini, Joan Creates jewelry and objects d'art using French enameling techniques. http://www.glassongold.com/

The Jewelry Experts Custom designed engagement rings and wedding bands in platinum and gold and with the precious gemstones of your choice! http://www.jewelryexpert.com/

Van Buscsh Designs in gold and platinum with precious stones. http://www.vanbusch.com

Voulgaris Gold Studio Features rings, crosses, and accessories. http://www.voulgaris.gr/

Wheatland Rock Shop Silver and Gold Jewelry by Bentley. Custom Designs, Cabochons, Gemstones, and more. http://www.silverbybentley.com/

Whiteflash.com, Inc. Whiteflash is the exclusive online diamond and jewelry boutique featuring. http://www.whiteflash.com/