GIAのラボサービスを宝石学研究の最前線に導いた世界的に有名な宝石鑑別の専門家。

A look at the

All that was old is new once more – at least when exploring historic trend-setting jewelry styles of the 19th and 20th centuries.

The vice president and director of GIA's New York lab was a fixture on 47th Street for five decades.

This article highlights GIA's founder, Robert M. Shipley Sr.

GIA’s current distinguished research fellow has represented the Institute’s gemological excellence around the world for the past four decades.

Learn about rose quartz's durability and how to care for your rose quartz jewelry.

Kara Ross kicks off the

モザンビーク北部の様々なルビー鉱区への、継続的なGIAフィールド調査に関するレポート。

The son of GIA's founder, Robert Shipley Jr. made significant breakthroughs in gem instrumentation.

A self-described idealist whose dedication to the Institute led to worldwide expansion and gemological innovation.

Deakin & Francisでは一族の歴史が長く、7世代に及びます。 1786年にCharles Washington Shirley Deakinによって英国バーミンガムで設立されたワークショップ以来、世界最高級のカフスボタンがデザインされ製造され続けているのです。