The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

Founded on 23 February 1947, the organization promotes worldwide proprietary, industrial and commercial standards. It is headquartered in Geneva, Switzerland, and works in 162 countries.

It is an independent, non-governmental organization, the members of which are the standards organizations of the 168 member countries. It is the world’s largest developer of voluntary international standards and facilitates world trade by providing common standards between nations.

ISO member countries with a national standards body and ISO voting rights. (Blue)
Correspondent members (countries without a national standards body). (Gold)
Subscriber members (countries with small economies). (Burnt Orange)

ISO does have standards or portions of standards that deal specifically with the Gem & Jewelry Industry. This page will contain links or documents that this international organization has published that gemologists, jewelers and appraisers need to be aware of as part off their business model.