Madagascar: Sapphire Isle

A look at the important sapphire producing localities in Madagascar, along with the key gemological features that can help separate them from other sapphire sources.

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Ruby–Seeing Red

An exploration of the psychology of the color red, and its relationship to ruby.

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Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

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Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

Read More
Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

Read More
Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

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Ruby & Sapphire: A Collector's Guide

A lecture on the trading and grading of ruby and sapphire, with an emphasis on what collectors should look for.

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Journey to the Center of the Gem

Inside each gemstone lies a hidden world that has been encapsulated for millions of years. Join Billie Hughes for a journey into the inner world of gems, as seen through the microscope.

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Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

Read More
Journey to the Center of the Gem

Inside each gemstone lies a hidden world that has been encapsulated for millions of years. Join Billie Hughes for a journey into the inner world of gems, as seen through the microscope.

Read More
Gem Color Types: History and Challenges

A look at the history of color types such as "pigeon's blood" and the difficulties in standardizing these definitions.

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Ruby & Sapphire: A Collector's Guide

A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

Read More
Jade: China's Gift to the World

An examination of the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

Read More
Seeing Red: Ruby

An exploration of the psychology of the color red, and its relationship to ruby.

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Gem Color Types: History and Challenges

A look at the history of gem color types such as "pigeon's blood" and "padparadscha" and the difficulties in standardizing these definitions.

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