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Opal

October’s Opalescence by Debbie Yonick Bursting with life and vitality, the dazzling, hypnotic play-of-color that is opal inspires its moniker,...

Lapis Lazuli

Lapis lazuli: solid as a rock From ancient cultures to today’s fashion runways, lapis lazuli has long been prized for its intense color. by Carol...

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...

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