A special thank you to whole GIA team, Kenneth Scarratt, Terry Chu, Edward Johnson, Carol Woolton, Katerina Perez and Vincent Pardieu for their time and effort in being part of this Ruby Masterclass. It was an honour to work with such amazing industry leaders and truly a privilege to learn through their vast experiences. A very special thank you to Elena Burini for the idea of this Ruby Masterclass and the continued effort in making the project come to life.