Russell Shor, December 28, 2018

World-class fancy colored diamonds and truly historic jewels highlighted the 2018 auctions, but total jewelry sales were down from 2017.

Erin Hogarth, December 20, 2018

GIA’s Research Internship Program enables students to get hands-on experience analyzing gem materials, as well as ongoing coaching and mentoring.

Russell Shor, December 10, 2018

The U.S. holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.

Sharon Bohannon, December 7, 2018

Looking for a gift for someone special? December’s birthstones offer a treat for every taste, style and personality – even if it’s not their birth month.

Russell Shor, December 7, 2018

Ten pieces of Marie Antoinette’s jewelry, along with 90 other royal family jewels, bring astounding prices at Sotheby’s Nov. 14 Geneva auction.

Jennifer-Lynn Archuleta, December 4, 2018

In celebration of Richard T. Liddicoat’s centennial birthday, GIA held its sixth International Gemological Symposium October 7–9, 2018, in Carlsbad, California. Nearly 800 attendees from 36 countries convened to exchange groundbreaking gemological research and to examine case studies taught by professors from the Harvard Business School.