LECTURES 2018

AGS Conclave 2018
Nashville, TN
April 23-25, 2018

Sheahan Stephen - Content Speaker

Gemstone Quantification in a Fluid Market

Tuesday, 2018-04-24

10:15 - 11:15

 Room: Cumberland 3

LECTURES 2017

Gallery of Jewels lecture March 17th, 2017

Union Square

427 Post St.
San Francisco, CA 94102

GIA

San Francisco Chapter

TBD 2017  

Sheahan Stephen - Content Speaker

Sri Lanka Geuda Sapphire and Thermal Treatment

AGS Conclave 2017

TBD March 2017 

Los Angeles, CA

Sheahan Stephen - Content Speaker

Sri Lanka Geuda Sapphire and Thermal Treatment

San Francisco Gem & Mineral Society

July 1, 2017 @ 6pm 

Sheahan Stephen - Content Speaker