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Kristin A. Aldridge

Color – the first of the 4Cs – is perhaps the most described characteristic in gems. From bright blues and steely greys to rich browns and fiery reds, gems come in many colors. The Pantone Color Institute, an arbiter of color for designers and fashionistas, selected 10 favorites for its fall 2013 color report. With exotic names like Acai, Samba and Mykonos Blue, these trendy colors are expected to dominate the fall season.

Kristin A. Aldridge, April 1, 2014

These stunning designs all beg the question: Which is real and which is rendered?

Kristin Aldridge and Stuart Overlin, July 25, 2014

A brief look at GIA's permanent museum exhibit at the New York lab and campus.

Kristin A. Aldridge, April 30, 2014

Twice yearly, the Pantone Color Institute – an arbiter of color for designers and aficionados alike – chooses 10 shades for its seasonal color report. From cool blue aquamarines and radiant pinkish purple sapphires to sizzling orange fire opals, explore some of the gems that match this season’s on-point colors in the photo gallery above.

Kristin A. Aldridge, March 7, 2014

GIA recently collaborated with the Mandela Day Libraries project to sponsor two container libraries for nearly 1,100 students at the Moime Primary and Refentse Primary schools in rural Limpopo, South Africa.

Kristin A. Aldridge, December 10, 2014

GIA hosted its first full day of gemology presentations at the 2014 Geological Society of America annual conference. The conference is one of the most respected in the geological science community and draws top researchers and noted academics – representing more than 50 countries – from around the world.

Kristin A. Aldridge

GIA's museum and lab collaborated with students in the JDT class on a design project using tourmalines from the GIA Museum and technology from the lab.

Kristin A. Aldridge, April 2, 2015

Patrick Dreher – a fifth-generation gem carver from Idar-Oberstein, Germany – shared how he transforms rough stones into intricate lifelike animal carvings with students at GIA’s campus in Carlsbad, California.

Kristin A. Aldridge, April 27, 2018

‘Adventure seeker’ crawls through underground caves to reach and research giant selenite crystals – then shares her knowledge with the world.

Kristin A. Aldridge, March 24, 2015

How – and where – you look at your diamond can greatly change its appearance.