News & Articles

The symbol of medicine, the caduceus (wings on each side of the top of a staff with two snakes intertwined around it) stabbing thru the coronavirus. A garnet sits at the top of the staff.
Jeweler Creates ‘Medal of Honor’ Pin to Recognize Coronavirus Health Care Fighters

GIA graduate creates a commemorative pin to recognize health care workers battling the coronavirus.

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Two blue sapphires side-by-side
G&G Announces Most Valuable Article Awards

G&G announces the winners of the Dr. Edward J. Gübelin Most Valuable Article Awards for 2019.

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Man stands at a podium in front of a room of people.
What Country Do My Diamonds and Other Gemstones Come From?

Distinguished Research Fellow Dr. James Shigley shares information on how GIA determines colored stone origin and the mysteries of diamonds origin.

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Atypical Bead Cultured Pinctada maxima Pearls Nucleated with Freshwater Non-Bead Cultured Pearls

A study of 12 white and yellow “golden” South Sea cultured pearls nucleated with freshwater non-bead cultured pearls.

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Gem materials and in front of rare books.
Top 10 Digital Reads from the GIA Library

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Three round brilliant diamonds in a row
GIA Researchers Evaluate ‘Light Performance’ and Diamond Cut

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