和 GIA 一起，前往莫桑比克的蒙特普埃兹红宝石矿场，探寻新世纪发现的最重大的红宝石矿藏。

Offers a firsthand look at Sri Lanka’s mining, cutting, jewelry manufacturing, and retail sectors, where tradition and innovation converge.

该系列会继续揭秘斯里兰卡的珠宝制造和零售行业，探访五大宝石开采及贸易中心。

跟着 GIA 实地宝石学家，见证斯里兰卡有色宝石和珠宝行业的整条价值链（从在泥土中采掘蓝宝石到展现在时尚模特身上的成品珠宝）的迷人光彩。

Documents a series of visits to Myanmar in search of exceptionally bright pinkish red spinels possessing no dark tones.

Presents the gemological and spectroscopic properties of a suite of synthetic diamonds grown by AOTC using high pressure and high temperature.

Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline, and other colored stones.

Reports on the microscopic, chemical, and spectroscopic features that differentiate the high-quality Baw Mar sapphire from “classic” gem-quality Burmese sapphire.

《宝石与宝石学》(G&G) 期刊宣布 2019 年 Edward J. Gübelin（爱德华•J.古柏林）博士最具价值文章奖得主。

Advances in technology and increased demand for lower-priced gem materials contributed to the proliferation of new treatments throughout the first decade of the 2000s.

Since late 2007, rubies and sapphires have been mined by hand methods from both eluvial and primary deposits at Winza in central Tanzania.