Article Search Results

Show Filters
Showing 15 results for "*"
A heart-shaped piece of pink drusy hangs from a gold chain.
Article
Dreamy Drusy: Minute Crystals Shimmer in Dramatic Designs

Drusy jewelry has surged in popularity in recent years. Celebrities wear it on the red carpet and designers clamor for it at gem shows.

Read More

Article
The Magic of Colored Diamonds

Colored diamonds are in the spotlight. They’re routinely breaking records at auction houses. Learn more about these gemological marvels of the rarest order.

Read More

A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are surefire accessories for sultry summer days.

Read More

Article
The Unexpected Origins of Big Diamonds

Dr. Evan Smith, Ph.D., GIA research scientist, has dedicated his work to methodically characterizing the inclusions found in rare diamonds. In this video presentation recorded at the 2017 JCK Las Vegas show, Smith shares his findings on the unexpected ori

Read More

Fancy-color diamonds from Lomonosov, Russia.
Geology and Development of the Lomonosov Deposit, Northwestern Russia

Reviews diamond discoveries at the Lomonosov deposit, as well as the geology of the Arkhangelsk kimberlite province.

Read More

Article
GIA Team Documents Oregon’s Sunstone Mines

In July 2013, GIA’s Shane McClure, Duncan Pay and Robert Weldon traveled with videographer Kevin Schumacher to the remote southeast corner of the U.S. state of Oregon to visit three of the region’s sunstone mines.

Read More

Skyline of downton Ramat Gan
Article
GIA Education Attracts Diverse Students to Hub of Israel Diamond Industry

In mid-November of 2016, GIA instructor Ric Taylor traveled to the Ramat Gan offices of the Israel Diamond Manufacturers Association Ltd to teach the Institute’s five-day Diamond Grading Lab class.

Read More

Evan Smith studies images of diamond inclusions on a computer.
Article
Postdoctoral Program Gives Scientists Access to Rare Research Opportunities

GIA’s postdoctoral program gives researchers access to gemological data, equipment and rare, unusual and large gems in its laboratories.

Read More

Article
Searching for Sapphire in the Tasmanian Wilderness

GIA field gemologists journeyed to a sapphire deposit near Weldborough in North Eastern Tasmania in 2012 and 2013 to gather samples for GIA’s reference collection.

Read More

Rough Emerald
Article
Seeing Green: All About Emeralds

Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.

Read More