Article Search Results

Show Filters
Showing 20 results for "*"
A blue synthetic star sapphire from past production of Wiede’s Carbidwerk
Synthetic Star Sapphires and Rubies Produced by Wiede’s Carbidwerk, Freyung, Germany

Details the process used by Wiede’s Carbidwerk to produce star synthetic corundum from the mid-1950s until the 1970s.

Read More

Major colors of HPHT synthetic diamonds
Observations on HPHT-Grown Synthetic Diamonds: A Review

Summarises statistical data and distinctive features of several thousand gem-quality HPHT synthetic diamonds examined by GIA from 2007 through 2016.

Read More

Jadeite boulder from Itoigawa, Japan
Japanese Jadeite: History, Characteristics and Comparison with Other Sources

Examines the sources, colour, texture and chemical composition of jadeite from Japanese deposits.

Read More

Fabergé figures of Chamber Cossacks A.A. Kudinov and N.N. Pustynnikov
Fabergé Cossack Figures Created from Russian Gemstones

Hardstone figures of two Russian imperial bodyguards, commissioned in 1912 by Nicholas II, demonstrate the House of Fabergé’s meticulous detail and craftsmanship.

Read More

Jaipur, India: The Global Gem and Jewellery Power of the Pink City

Examines Jaipur’s role as a coloured stone cutting and jewellery manufacturing centre, with profiles of 17 companies and their factory, trading and retail operations.

Read More

A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are surefire accessories for sultry summer days.

Read More

Article
Buried Treasure: GIA Team Documents Cheapside Hoard

GIA photographer Robert Weldon and videographer Kevin Schumacher traveled to the Museum of London to learn about the Cheapside Hoard, an extraordinary treasure that had been buried under a London tenement house for centuries.

Read More

The Museum of London’s Extraordinary Cheapside Hoard

The history and mysteries behind a treasure of jewels hidden during the 1600s, a window to the past being fully opened to the public for the first time since a chance discovery a century ago.

Read More

Article
The British Crown Jewels: beautiful and historic gems

The British Crown Jewels are beautiful and historic gems that the heir to the throne will inherit.

Read More

Article
Rare Catalogue Chronicles Russia’s Regalia and Crown Jewels

The spectacular gem and jewellery collection of the Romanov dynasty is documented in Russia’s Treasure of Diamonds and Precious Stones, one of the few surviving catalogues documenting the royal jewels.

Read More