New issue of ICGL newsletter is released on 27th August 2016.
PDF version can be downloaded from next link.
ICGLNewsLetter-2016 Summer(19.8Mb)

The contents:

Irradiation May Cause Synthetic Melee Diamonds to behave like natural diamonds
Jayshree Panjikar and Aatish Panjikar
PANGEMTECH- Panjikar Gem Research & Tech Institute,

LAB NOTE: Fracture-filled diamonds
An example from the daily work in gem-testing laboratory
Elisabeth Strack
Gemmologisches Institut Hamburg, Germany

Nano-coated Pink Diamond
A Study on Surface Analysis Technology and Coating Materials
Seung Kwon Lee and Kook-Whee Kwak
Wooshin Gemological Institute of Korea, Korea

Coated Diamond to imitate Pink Diamond
By Tay Thye Sun & Loke Hui Ying
Far East Gemological Laboratory, Singapore