Dr Jack Ogden is a British jewellery historian specialising in the development of materials and technology. He has lectured worldwide on various aspects of these subjects and written numerous articles and several books on jewellery. Recent books include Diamonds: An Early History of the King of Gems and Jewelry Technology in the Ancient and Medieval World. He is a Fellow of the Society of Antiquaries and founder and past president of the Society of Jewellery Historians. He holds a Doctorate from Durham University and was awarded Honorary Life Membership of the Gemmological Association of Great Britain in 2014. He is a Freeman of the Worshipful Company of Arts Scholars. He lives in Oxfordshire.

