These groups and organizations are those that Gemworld or its employees are members of or that we support by education, information, or presentations.


The Gemmological Association of Great Britain, or Gem-A, is the world’s longest established provider of gem and jewellery education.

Established in 1931, GIA is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.

Trade Orgaizations/Shows

As a professional peer society, we believe in excellence and are dedicated to establishing the highest ethical and professional standards of practice.

The American Gem Society is the country’s preeminent jewelry trade organization dedicated to consumer protection since 1934.

For over 35 years, the AGTA has been at the forefront of gemstone enhancement disclosure and education, developing and licensing the industry’s strictest disclosure standards.

The Canadian Gemmological Association is a not-for-profit corporation that was established in 1958 to provide a Canadian source for gemmological education and to act as a medium for communication and co-operation among those involved in all aspects of gemmology. 


JCK keeps the industry informed and on-trend all day, every day, across every platform.

The Scottish Gemmological Association was formed in 2008 and maintains the strongest links to the Gemmological Association of Great Britain.

To help women in the jewelry and watch industries advance and develop professionally through networking, education, leadership development, and the provision of member services.

Appraisal Groups/Organizations

The AIJV has a worldwide membership of truly independent jewelry appraisers and valuers.

The Jewellery Valuers Association (JVA) is the only independent body in the UK and Ireland for professional valuers of jewellery, gemstones, watches and silver. You can trust our registered valuers to always act with honesty and integrity.

Jewellery Appraisers of the World provides a valuable resource to consumers wishing to find a respected Appraiser in their own area.

The National Association of Jewelry Appraisers is the only appraisal association in the United States that devotes itself solely to the appraisal of gems and jewelry and silver flatware and holloware.

The UK’s leading authority of jewellery, watch and silverware appraisers who maintain exacting standards for the longest serving and most recognised valuation trade body, regulated by the National Association of Jewellers.


Gem Legacy Is A 501(C)3 Charity Nonprofit that supports vocational training, entrepreneurship,
and community development in East African artisanal gem mining communities.

Jewelers for Children was founded in 1999 by the U.S. jewelry industry with the mission of helping children in need.

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