News Gallery



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

Clear Quartz

Crystal Clear The illuminating powers of rock crystal quartz. By Carol Besler In ancient times, clear quartz, which is called rock crystal, was used...


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


Emerald: the springtime gem The vibrant green of emerald symbolizes renewal and fresh beginnings. It’s the perfect birthstone for May. 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...


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


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

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 to promote colored gemstones.

The entries are exhibited at the Congress venue where all attendees, both ICA members and Congress delegates, vote for their favorite designs. The announcement of the winners is usually done at the closing Gala dinner.

The prizes are:

1st Prize Winner: Shanna Senior, USA (US$2,000)

2nd Prize Winner: Zoran Regan Veira, Australia (US$1,500)

3rd Prize Winner: Icaro Carlos, Brazil (US$1,000)

Special Recognition: H. Turgay Unalan, Turkey

The Organizing Committee:

Yehuda Kassif, Israel – Chairman
Sudhir Kasliwal, India
Dinesh Malpani, India

Click on the images below to see images in a bigger screen!

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)
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)

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