Recounts the history, geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production.

The recession of 2008 transforms a gem business into a vertically integrated operation.

An overview of the trends reported at the 2017 Tucson gem shows.

A cordierite with a color not seen in the GIA lab is examined in New York.

Three mineral species, not previously seen in the Carlsbad lab, are examined.

Considers the previously unreported but critical impact of silicon on the coloration of gem-quality sapphire.

GIA 校友会可向选择参加的所有人提供教育、交流机会及诸多乐趣。

GIA JDT 毕业生兼里维尔学院 2016 年大溪地珍珠首饰设计比赛大奖得主让家族的珠宝遗产再现辉煌。

这一互动课程提供了丰富的媒体资源，让 GIA 毕业生能随时了解最新的宝石及珠宝新闻与信息。

A review of Gem: The Definitive Visual Guide.

A color change in rough garnet is observed and plotted in GIA’s Carlsbad lab.

Examines the sources, color, texture, and chemical composition of jadeite from Japanese deposits.

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

对于产自彭林岛的四颗斑珠母贝养殖附贝珍珠的研究。

曼谷 GIA 鉴定所出具的报告展示了他们对 59 颗蓝色蓝宝石样本的研究结果，这些样本来自尖竹汶 Khao Ploy Waen 地区的一名矿工。

2017 巴塞尔国际珠宝钟表展︰奢侈品珠宝设计师反思满载宝石的耀眼外观，寻求更多的艺术设计。 Pink Star（粉红之星）钻石以 7100 万美元售出。

经济学家认为，中产阶级购买力的下降将对一些消费品产生直接影响，包括珠宝。

北方地区的环球之旅始于格陵兰岛，一路向东，直抵加拿大，带您探索极地宝石。