TweetBy Sharon Reed Q&A with Branko Deljanin, Gemologist & Instructor Advances in technology have led to the development of synthetically grown diamonds which are virtually indistinguishable from naturally grown diamonds—posing challenges to appraisers. The American Society of Appraisers (ASA) is offering an online webinar/practical workshop on March 28, 2019 to help jewelry and gem appraisers, […]