Practical Gemmology
DeeDee Cunningham holds professional gemmology and diamond diplomas from Great Britain and Canada. She has been the recipient of multiple distinctions, including one in the Gem Diamond Diploma from the Gemmological Association and Gem Testing Laboratory of Great Britain. She was awarded the W. Donald Goodger Prize upon graduation from the Canadian Gemmological Association in 1995 and she is also the author of the highly acclaimed reference book The Diamond Compendium.