- April 2022 article by Branko Deljanin (CGL, Canada) on ‘USE OF THREE PORTABLE INSTRUMENTS FOR FAST SCREENING AND ID OF NATURAL AND LABORATORY-GROWN DIAMONDS’
- BrankoGems exhibits at AGTA Tucson Gem Show, Feb 2-7, 2022
- Gem-A Selects Branko Deljanin for Lab-Grown Diamond Identification Seminar
- Provenance of Pink Diamonds: Argyle Type and Non-Argyle From Four Continents (May/June 2020 – GEMGUIDE Article)
- April 2020 Newsletter
- Comparison of portable instruments for screening and ID of Lab-Grown Diamonds
- November 23-25, 2019 – Dubai, UAE – Advanced Diamond Workshops
- August 23, 2019 – Naples, USA – Screening and ID of Synthetic Diamonds
- Mar 14, 2019 – Brisbane, Australia – Natural, Treated and Synthetic Emeralds and Jades
- Mar 13, 2019 – Brisbane, Australia – Natural, Treated and Synthetic Rubies and Sapphires