lapis lazuli gemstone

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 Besler

tourmaline gemstone

October Tourmaline

Beautiful, colorful, phenomenal tourmaline may be the world’s most versatile and varied gemstone.

by Carol Besler

opal gemstone

October’s Opalescence

by Debbie Yonick

Bursting with life and vitality, the dazzling, hypnotic play-of-color that is opal inspires its moniker, Queen of All Gems, as it captures a rainbow in one stone.

sapphire gemstone

September’s Sensational Sapphire

By Deborah Yonick

Sapphire, hailed by many gem experts and trends trackers as the most popular color stone on the market, has been the traditional birthstone for September since Jewelers of America established the modern list of birthstones in 1912.

citrine gemstone

Citrine: the king of Quartz. The world’s most popular quartz gem captures the warm glow of autumn.

By Carol Besler

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.
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