GIA's Gübelin Gem Project: Various Gems, Danburite – Humite
Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
Shenzhen: The Frontier of China’s Gem and Jewellery Industry
All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.
Spring 1991 G&G Lab Notes
This section, from the Spring 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Sri Lanka: The Gem Island
An overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.