Shenzhen: The Frontier of China’s Gem and Jewelry Industry
All jewelry professionals are familiar with the city of Shenzhen, a global jewelry manufacturing center and a leader of China’s fast-growing gem and jewelry industry. Join the GIA team as we tour the city and discover more about its leading jewelry brands.
Sri Lanka: Treasure Island
A gemological tour of Sri Lanka’s gemstones.
Reactor-Irradiated Green Topaz
Examination of samples of faceted "Ocean green" topaz reveals that this material has been irradiated in a nuclear reactor.