New issue of ICGL newsletter is released on 27th August 2016.
PDF version can be downloaded from next link.
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
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