An in-depth look at ruby and sapphire treatments across history, examining the techniques, their market impact, and how labs detect them today.

Nature, Nurtured: The History of Ruby & Sapphire Treatment

By Lotus Gemology's Billie Hughes

Since antiquity, humans have sought to enhance the beauty of nature’s gems. As technology has advanced, treatments for ruby and sapphire have grown increasingly sophisticated, particularly over the past century. This talk traces their evolution, explores their impact on the marketplace, and examines how laboratories detect them today.

When
Saturday, 13 September 2025, 10:00

Where
Bangkok Gem & Jewelry Fair
Queen Sirikit National Convention Center
Bangkok