Evan M. Smith, August 1, 2018

This is an extended abstract of the article ‘Blue boron-bearing diamonds from Earth’s lower mantle,’ published in the 2018 August issue of Nature. GIA Researcher Evan Smith is the lead author of the article.

Kristin A. Aldridge, July 27, 2018

The GIA Retailer Support Program tools help guide consumers through the jewelry buying process so they can make informed and confident purchases.

Jaime Kautsky, July 27, 2018

JDT program gives designer the skills and techniques – and freedom – to create the designs that move past the trends.

Russell Shor, July 23, 2018

Demand for diamonds has been good so far this year. Rough sales have increased and large diamonds are being mined. Plus: Online sales tax changes.

Russell Shor, July 20, 2018

Rockefeller jewels and fancy blue diamonds are the stars of the spring 2018 auction season.

Sharon Bohannon, July 20, 2018

The fashion trend of colorblocking can be found in the artistic combinations of color in multicolor gemstones known for their color zoning or banding.