跟随 GIA 实地宝石学家冒险进入缅甸摩谷寻找红宝石。

与 GIA 宝石学家一起寻找摩谷的蓝色宝藏。

跟随 GIA 的实地宝石学家 Vincent Pardieu（文森特·帕迪乌）游览世界上最活跃的蓝宝石矿区之一 — 马达加斯加岛。

跟随 GIA 实地宝石学家的脚步，前往巴基斯坦山区，开启一段真正的宝石开采冒险之旅，美丽的宝石在此开采和切磨。 与我们一同踏上马可波罗走过的古老丝绸之路。喜马拉雅山脉、喀喇昆仑山脉与兴都库什山脉均汇接于此。

哥伦比亚是虹彩般宝石的家园，但祖母绿及围绕着它们的传说是哥伦比亚最知名的瑰宝。

《宝石与宝石学》(Gems & Gemology, G&G) 简报介绍了《宝石与宝石学》(Gems & Gemology) 2015 年夏季刊的内容概要。

回顾纽约修道院的宝藏和法宝：来自 Griffin（格里芬）藏品的戒指展览。

GIA 博物馆展出的当代珠宝作品由美国珠宝设计协会捐赠。

Trace-element analysis is used to identify metamictization, treatment, and growth conditions of zircon.

The Bangkok lab examines near-colorless HPHT synthetic diamonds in melee sizes.

We invite gemologists to take a closer look at the astounding beauty and variety of the micro-world of gems.

Diffusion treatment is used to induce color and asterism in a colorless synthetic sapphire.

The New York lab examines three pink CVD synthetic diamonds which have received LPHT annealing treatment.

A report summarizing the expeditions and lectures at the June 2015 pegmatite workshop in Poland, Maine.

An unusual parti-color tourmaline necklace and clasp are seen at the 2015 AGTA show in Tucson.

An overview of recently expanded sapphire production at the Gem Mountain mine near Philipsburg, Montana.

Advances in pearl culturing are seen in a parcel of specimens from Strombus gigas gastropods.

An exceptional ruby is discovered in Namya, Myanmar.

A translucent Brazilian emerald exhibiting pronounced chatoyancy is examined.

A necklace of Chinese freshwater bead-cultured pearls demonstrates the strides made in culturing techniques.