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A Fancy Vivid blue diamond set in white metal ring
Fancy Colors, History Ruled 2018 Auctions

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

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Young woman works with a Raman spectroscopy machine.
GIA’s First Research Intern: Genesis of a Gemologist

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

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A large pear shaped yellow diamond hangs from a black cord and lies against red material.
US Holiday Season Opens Well, Despite Volatile Markets

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.

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An oval shaped bicolor tanzanite has purple on each side with blue-green in the middle.
December Blues: Birthstone Gifts that Will Delight

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.

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A slightly baroque pearl (15.90 x 18.35 x 25.85 mm) probably from the Persian Gulf, is attached below a diamond-set bow with an oval cut diamond of about 5 carats.
Marie Antoinette’s Jewels: ‘How Can You Put a Price on Such History?’

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

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Fall 2018 G&G: Proceedings from the 2018 International Gemological Symposium

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.

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