Suiza

The international Pearl Specialist. Swiss Tradition and
Quality since 1887.

Url:

http://www.golay.com

Francia

Gemmologie, Les Gemmes, Les inclusions, Galerie Les traitements: Descriptions. Thermique, Diffusion, Irradiation, Remplissage, Impregnation, Chimique, Enrobage.

Url:

http://www.geminterest.com

Italia

Produzione di oggetti in pietre dure, gemme lavorate semipreziose, ambra e corallo.

Url:

http://www.mineralgemme.com/

New Quality standard for cubic Zirconia.

Url:

http://www.signity.com