Gemology

Analysis of the Piprahwa gems by Jack Ogden

Dr Jack Ogden is founder of the Society of Jewellery Historians and a leading authority on the materials, technology, and authenticity of ancient jewellery. He is the author of numerous articles and a book on jewellery of the ancient world.  His work includes consulting, working with museums, auction houses, dealers and collectors worldwide, mainly advising on problems of authenticity of ancient and historical jewellery. He has written and lectured widely on his subject and taught courses at The J. Paul Getty Museum, Smithsonian Institution, Institute of Fine Arts (NY) and Institute of Archaeology (London). He is an elected Fellow of the Society of Antiquaries of London and has been awarded a Doctorate from Durham University (Egyptology), the Gem-A Gemmology Diploma (with distinction) and the Diploma in Art Profession Law and Ethics (with distinction) from the Institute of Art Law. From 1995 to 2000 he was Secretary General to CIBJO and Chief Executive of the NAG. He joined Gem-A as CEO in 2004, a post he held until 2012. He is now working for Gem-A part-time as an international ambassador.