| Most Recent Trade/Event Participation | |
| Ted Irwin participated in all listed.
NGL staff participated in several, as well. |
|
| 2018 | |
| February | Tucson Gem and Mineral Show – multiple venues
Accredited Gemologists Conference Tucson, AZ |
| June | JCK Las Vegas Jewelry Show
Las Vegas Antique Jewelry and Watch Show Las Vegas , NV |
| August | Northwest Jewelry Conference V, host
Seattle, WA |
| October | Canadian Gemmological Conference
Vancouver, BC, CAN |
| 2017 | |
| February | Tucson Gem and Mineral Show – multiple venues
Accredited Gemologists Conference Tucson, AZ |
| June | JCK Las Vegas Jewelry Show
Las Vegas Antique Jewelry and Watch Show Las Vegas , NV |
| August | Northwest Jewelry Conference V, host
Seattle, WA |
| 2016 | |
| October | Canadian Gemmological Conference
Vancouver, BC, CAN |
| August | Northwest Jewelry Conference IV, host
Seattle, WA |
| June | JCK Las Vegas Jewelry Show
Las Vegas Antique Jewelry and Watch Show Las Vegas , NV |
| February | Tucson Gem and Mineral Show – multiple venues
Accredited Gemologists Conference Tucson, AZ International media exposure for rare pearl discovery |
| 2015 | |
| October | Canadian Gemmological Conference Geology of Gem Deposits – short course Vancouver, BC Can |
| August | Northwest Jewelry Conference III, host Seattle WA |
| June | JCK Las Vegas Jewelry Show Las Vegas Antique Jewelry and Watch Show Accredited Gemologists Conference Las Vegas, NV |
| February | Tucson Gem and Mineral Show – multiple venues Accredited Gemologists Conference Tucson, AZ |
| 2014 | |
| September | National Association of Jewelry Appraisers Mid-year Conference World of Gems Conference IV Chicago, IL |
| August | Northwest Jewelry Conference II, host Bellevue, WA |
| June | JCK Las Vegas Jewelry Show Las Vegas Antique Jewelry and Watch Show Accredited Gemologists Association Conference Las Vegas, NV |
| February | Tucson Gem and Mineral Show – multiple venues Accredited Gemologists Association Conference Tucson, AZ Industry conferences, trade shows, consultation to buyers |
| 2013 | |
| October | Northwest Jewelry Conference Bellevue, WA |
| May | Scottish Gemmological Association Conference Peebles, Scotland, U.K. |
| April | Sinkankas Ruby Symposium Carlsbad, CA |
| February | Tucson Gem & Mineral Show Accredited Gemologists Association Conference |
| 2012 | |
| October | World of Gems Conference III Chicago, IL |
| August | National Association of Jewelry Appraisers Conference Bellevue, WA |
| June | JCK Las Vegas Jewelry Show Las Vegas Antique Jewelry and Watch Show Accredited Gemologists Association Conference |
| February | Tucson Gem & Mineral Show Gemstone Industry & Laboratory Conference Accredited Gemologists Association Conference |
| 2011 | |
| November | Canadian Gemmological Association Gem Conference Vancouver, BC ,CAN |
| February | Tucson Gem & Mineral Show Gemstone Industry & Laboratory Conference Accredited Gemologists Association Conference |
| 2010 | |
| October | World of Gems Conference II Chicago, IL |
| June | JCK Las Vegas Jewelry Show |
| February | Tucson Gem & Mineral Show Gemstone Industry & Laboratory Conference Accredited Gemologists Association Conference |
| 2009 | |
| December | MSNBC – Herb Weisbaum “Composite Rubies” |
| November | KOMO TV news Seattle, WA “Composite Rubies” |
| April | American Gem Society Conclave Chicago, IL |
| February | Tucson Gem & Mineral Show Gemstone Industry & Laboratory Conference Accredited Gemologists Association Conference |
| 2008 | |
| September | Hong Kong Jewellry and Watch Fair Hong Kong Watch & Clock Fair Hong Kong, China |
| May | KOMO TV News “Counterfeiters capitalize on Tiffany name” |
| JCK Las Vegas Jewelry Show | |
| April | American Gem Society Conclave Seattle, WA |
| KOMO TV News “Selling Your Gold” |
|
| February | Tucson Gem & Mineral Show Gemstone Industry & Laboratory Conference Accredited Gemologists Association Conference |