
Brazilian Alexandrite Update

E. Alan Jobbins (1923–2019)
An obituary detailing the many contributions of gemologist E. Alan Jobbins.

Faint Green HPHT Synthetic Diamonds
Faint green HPHT synthetic diamonds recently submitted to the Carlsbad lab owe their color to high concentrations of nickel.

Freshwater Bead-Cultured Pearls with Multiple Features of Interest
GIA’s Hong Kong laboratory examines a freshwater bead-cultured pearl necklace possessing several interesting features.

Paraíba-Like Synthetic Sapphire
Two flame-fusion synthetic sapphires with a Paraíba-like color are examined at GIA’s Carlsbad lab.

Unique Orange Sapphire with Golden Sheen Effect Reportedly from Kenya


Book Review: Diamonds: An Early History of the King of Gems
A review of Diamonds: An Early History of the King of Gems by Jack Ogden.

Book Review: Figures & Faces: The Art of Jewelry
Review of Figures & Faces: The Art of Jewelry by Patrick Mauriès and Évelyne Possémé

Book Review: Geology: A Very Short Introduction
Review of Geology: A Very Short Introduction by Jan Zalasiewicz.

Book Review: Masterpieces in Miniature: Engraved Gems from Prehistory to the Present
Review of Masterpieces in Miniature: Engraved Gems from Prehistory to the Present by John Boardman and Claudia Wagner.

Book Review: Symphony of Jewels: Anna Hu Opus 2
Review of Symphony of Jewels: Anna Hu Opus 2 by Janet Zapata with Sarah Davis.

Fossil Insect in Opal
A vibrant orange and yellow agate displays interesting concretions in its core.

Color-Change Pink Pyrope Garnet Update
Greenland Ruby Update


The Largest Diamond Ever Discovered in North America
GIA examines a 552.7 ct diamond from the Diavik mine in Canada.

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