This Summer, CGL-GRS in Cooperation with IGL Greece, NAJA USA and MLLOPIS is organizing workshops at Conference in Spain on May 7 – 9, 2016. For more information on the conference… read more →
Article: ‘Record-Size Diamond Grown’, B. Deljanin, M. Alessandri, Dr. A. Peretti, M. Åström, Dr. A.Katrusha, Rapaport, November 2015 http://www.diamonds.net/Magazine/Article.aspx?ArticleID=53742&RDRIssueID=143
Technical article: ‘NDT Breaking the 10ct barrier’, Deljanin, M. Alessandri, Dr. A. Peretti, M. Åström, Dr. A.Katrusha, Contribution to Gemology/Jewellery News Asia, July/September 2015 http://gemresearch.ch/ndt-breaking-the-10-carat-barrier-world-record-faceted-and-synthetic-diamonds-investigated/
Article: ‘World of Pink Diamonds and their Identification’, B.Deljanin, Dr. A. Peretti, M. Allesandri, InColour Magazine, Spring 2015 https://gemconference.com/wp-content/uploads/InColour-magazine-ICA-32-41-Pink-Diamonds-Gemology.pdf
Article: ‘Chameleon Diamonds – How Heat and Darkness Bring out the Best in these Colour Changing Stones’ Business Jewellery, February 2015 Article: ‘Pretty in Pink – How Orgin Reports for… read more →
“Identifying Diamond Types and Synthetic Diamonds With Cross Polarized Filters” is now available.
Download the ICGL February 2014 newsletter here at the CGL-GRS Swiss Canadian Gemlab.
Article: ‘Fancy that, A technical take on Fancy coloured diamonds’ B.Deljanin. Business Jewellery, December 2013
Article: A heated question, what Canadian jewellers should know about tanzanite’. Jewellery Business Magazine, August 2013.