EGL USA IDs New Generation Of Surface Treated Diamonds

EGL USA writes:

http://www.eglcanada.ca/EN/408/

Over recent months, a number of pink and orange diamonds were submitted to the EGL USA laboratories in New York and Vancouver, disclosed as "infused" or "HPHT treated" in the US and Asia. When tested, however, the treatment characteristics were found to be inconsistent with the disclosure.