These brief articles will give you tips and tricks about navigating the market of colored gemstones.

From a high quality sapphire to an exquisite chalcedony, and all the gemstones in between, these stories cover important topics about the world of gems.


Shopping Tips

The Perfect Setting

Now that you have a gem, make sure the jewelry is worthy.

Price and Prejudice

Quality rules price in each variety, but not all varieties are equal.

No Gem is Half Precious

Why we don't call gems "semiprecious" anymore.

Gem Grooming Tips

Keep them clean (and don't forget to close the drain!)

Read Related Gems

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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