Education

Chalcedony

Calming Chalcedony The loveliest of blue quartz gems is a talisman for public speakers and makes a fashionable jewel. by Carol Besler Chalcedony is...

Kunzite

Millions of years ago, deep in the bowels of our Earth, gemstones were created in innumerable variations. We are familiar with most of them, and...

About Us

What is the International Colored Gemstone...

The International Colored Gemstone Association (ICA), a non-profit organization, is the only...

Board Members

The ICA's Board of Directors comprise an international array of distinguished gem professionals...

Committees

The gemstone professionals that participate in ICA's committees share their business acumen and...

Ambassadors

Having members in more than 47 countries, the ICA strives to keep its international community...

Events

GILC

For over two decades, the Gemstone Industry & Laboratory Conference (GILC), organized by the ICA every year, has provided a space for industry peers to discuss worldwide gemstone issues like ethical...

ICA Pavilions & Shows

ICA members participate in trade shows throughout the world under the ICA banner in countries such as Japan, Brazil, Korea, Thailand, United Arab Emirates, Hong Kong and more. These venues are also...

Poster Competition

Every two years, in coordination with our Congress, the ICA has an international poster competition. The winning design will be used for many communication and marketing efforts by the ICA worldwide...

Event Photos

Networking is an important part of being a member of the ICA. The Congresses, trade shows, receptions and many other events are surrounded by social gatherings that foster business opportunities and...

Past Congresses

The biennial ICA Congresses are organized in member countries spanning the globe. Many industry experts share their knowledge and insights with an audience of trade peers, industry professionals and...

Mine Tours

Experience the ICA's Mining Tours to some of the world's most fascinating gemstone mines in member countries. You will not only have the opportunity to be underground in a real working mine but be...

About Us

The ICA is a worldwide body specifically created to benefit the global colored gemstone industry by advancing and promoting the knowledge and appreciation of colored gemstones.
New York Office: 31 West 47th St., Suite 1103, New York, NY 10036
+1 (212) 620-0900
ica (at) gemstone.org
Hong Kong Office: Unit 311B, 3rd Floor, Heng Ngai Jewelry Centre No. 4 Hok Yuen Street East, Hung Hom, Kowloon, Hong Kong
+852 2365-9318
ica (at) gemstone.org

ICA Newsletter