Gem treatment disclosure and U.S. law
In recent years, the obligation to fully disclose all gem treatments has changed from a mere ethical responsibility to a legal one.
Update on Ammolite Production from Southern Alberta, Canada
There have been a number of changes in Ammolite production from southern Alberta, Canada, since 2001.
Gem Localities of the 1990s
The 1990s saw growth in gem exploration, production and marketing worldwide.
Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Abstracts; Summer 2000
This article, from the Summer 2000 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Jewellery of the 1990s
This article provides an overview of the many changes that took place in how jewellery was designed, manufactured and marketed during the last decade.
Sri Lanka: Expedition to the Island of Jewels
Offers a first-hand look at Sri Lanka’s mining, cutting, jewellery manufacturing and retail sectors, where tradition and innovation converge.
Exploring the Chinese Gem and Jewellery Industry
Examines China’s eminent role in the gem and jewellery industry, as a manufacturer and a consumer market, and its impact on the global trade.
Exceptional Pink to Red Diamonds: A Celebration of the 30th Argyle Diamond Tender
Describes the extremely rare polished pink diamonds from Australia’s Argyle mine that have been sold for 30 years through invitation-only tenders.
Rough Diamond Auctions: Sweeping Changes In Pricing and Distribution
Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.