Pink CVD lab-grown products can be separated from natural and treated-color natural pink diamonds by a combination of gemological and spectroscopic properties, which are explored in this study.

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

ケシ真珠を含む非ビーズ養殖真珠のX線構造、およびそれらを識別するために利用される基準を検討します。

Examines the X-ray structures of non-bead cultured pearls, including “Keshi” pearls, and the criteria used to identify them.

Michael O’Connor, a jewelry and style expert known as the “King of Bling” at Hollywood’s red carpet events, offered this advice the 2009 Career Fair in Carlsbad.

Mary Todd-McGinnis, vice president of sales and e-commerce for Ben Bridge Jewelers, shared her journey in the gem industry, pointing out the way trends and culture affect how people buy jewelry, at the 2009 Career Fair in Carlsbad.

Doug Hucker, CEO of the American Gem Trade Association (AGTA), gave real-world, practical tips to attendees at the 2009 Career Fair in Carlsbad.

Kara Erickson, sales manager for Tiffany & Co. in Pasadena, California, shared five key concepts she used to build her career with attendees of the 2009 Career Fair in Carlsbad.

Yellow-green to green-yellow gem-quality haüyne was found for the first time in an alkaline plutonic rock.

外観のファイアー強化のために、ダイヤモンド表面に回折格子の配置をすることに関する公開調査報告を試写する。

A peridot-like bright greenish yellow to green gem material called “green amber” has recently appeared in the gem market.

Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.