A review of the “Maker & Muse, Women of the 20th Century Art Jewelry” exhibition at Chicago’s Driehaus Museum.

Pearls with Unpleasant Odors

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

GIA field gemologists recently completed their one-hundredth expedition, adding to the Institute’s unrivaled store of independently verified gemological information from colored stone mining locales around the world.

This article provides identification criteria to distinguish between modern and fossil (mammoth) elephant ivory.

GIA同窓会は1982年に正式に発足しました。 世界の支部で開催されるさまざまな活動に参加してつながりを広げましょう。