加入 GIA 团队，参观中国广东省繁华的硬玉交易中心。 随着行业领导者对错综复杂的宝石细节（复杂细节也是文化不可或缺的一部分）作出解释说明，您将观察到到少数西方人所理解的市场。

提高钻石（尤其是半克拉到 1 克拉的宝石）价格导致网上钻石零售商的销售量下降。

Renowned gem photographer Robert Weldon offers his tips for capturing the best gem photographs.

Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.

Examination of commercially-available “shell pearls” reveals imitation material.

An overview of the Summer 2014 issue of Gems & Gemology, plus thoughts on the journal's future.

Natural moissanite crystals found in Israel have broken world records, with evidence of larger crystals in the area.

Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.

Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewelry market.

A bluish violet sapphire shows surprising effects under lab examination.

Investigates the presence of fluorescence, rather than iridescence, as the cause of color in blue amber from the Dominican Republic and Indonesia.

Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

Review of The Collector's Guide to the Minerals of New York State.

Review of Diana Scarisbrick’s Rings: Jewelry of Power, Love and Loyalty.

Review of Franco Cologni’s In Praise of Hands: The Art of Fine Jewelry at Van Cleef & Arpels.

A natural diamond with a CVD synthetic film is examined at GIA's Carlsbad lab.

An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.

Color modification is observed in a reddish orange zircon at the Bangkok laboratory.

A Fancy yellow type Ib CVD-grown synthetic diamond undergoes testing at the New York lab.