Alumni Chapter

Texas - North Chapter: GIA Spotlight on Synthetic Diamonds

Wednesday, August 22, 2018
6:30 p.m.
Dallas, TX

Join the GIA Alumni Texas- North Chapter, for one of three special evenings of GIA education throughout Texas featuring presentations on synthetic diamonds research and identification by Dr. Ulrika F.S. D’Haenens-Johansson,  who will share the current status of synthetic gem diamonds in the jewelry marketplace and GIA's ability to conclusively identify synthetic vs. natural diamond. Dr. D’Haenens-Johansson will deliver an overview of the basic principles of diamond synthesis (HPHT and CVD growth methods), the typical production results from melee to larger size synthetic gem diamonds, and the existing technologies that effectively identify and separate natural from synthetic diamonds, including GIA's lab services and new separation device available to the trade.
 
At the event, Dr. D’Haenens-Johansson will deliver demonstrations utilizing the recently released GIA iD100 testing device; an easy-to-operate, sophisticated desktop instrument to reliably identify mounted and loose natural colorless diamonds, separating them from all simulants and from diamonds that may be synthetic or treated.
 
The instrument combines advanced spectroscopic technology; GIA’s extensive research into the qualities of natural, treated and synthetic diamonds; and the Institute’s decades of diamond analysis experience to refer all synthetic diamonds – HPHT and CVD – and all simulants.
 
Dr. Ulrika F.S. D’Haenens-Johansson is a senior research scientist at the GIA laboratory in New York. Her area of research and expertise is the defect physics of natural, treated and synthetic diamond materials using optical and EPR spectroscopy. She earned a master’s in physics with honors at the University of Warwick, United Kingdom in 2007 and a doctorate in physics, also at the University of Warwick, in 2011. Her thesis was Optical and Magnetic Resonance Studies of Point Defects in CVD Diamond.

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