Splendour in the Outback: A Visit to Australia’s Opal Fields
Documents a trip to the renowned opal fields of Lightning Ridge, Koroit, Yowah and Quilpie.
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.
Carving Gem-Quality Opal
An examination of the challenges of carving gem-quality opal.