Jaipur, India: The Global Gem and Jewelry Power of the Pink City
Examines Jaipur’s role as a colored stone cutting and jewelry manufacturing center, with profiles of 17 companies and their factory, trading, and retail operations.
The Wittelsbach Blue
This article describes what is known about the Wittelsbach Blue since it was first reported in 1666, and the gemological information released to date on this diamond.
The French Blue and the Hope: New Data from the Discovery of a Historical Lead Cast
With the use of modern tools and technology, this article sheds light on the history and provenance of both the French Blue and the Hope diamonds.
Ruby and Sapphire Production and Distribution: A Quarter Century of Change
During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges.
Characterization of Tarnish Spots in Chinese High-Purity Gold Jewelry
Examines the origin and nature of tarnish spots in high-purity gold and how they can be avoided.
Emeralds of Colombia
A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.
The Chinese Soul in Contemporary Jewelry Design
Guided by their cultural heritage and powered by a rapidly growing domestic consumer market, Chinese designers are exerting a powerful influence on the global stage.
The Creation of a Magnificent Suite of Peridot Jewelry: From the Himalayas to Fifth Avenue
This peridot article chronicles the creation of a fine suite of peridot jewelry from the mine in the Himalayas to the manufacture of the necklace, bracelet, ring, and earrings.
Jewelry of the 1990s
This article provides an overview of the many changes that took place in how jewelry was designed, manufactured, and marketed during the last decade.
Pre-Columbian Gems and Ornamental Materials from Antigua, West Indies
Two archeological sites that were discovered recently on the island of Antigua appear to have had flourishing lapidary industries.