IGI's diamond certification course is very popular, and this certificate is one of the most widely accepted industry qualifications in the world. Whether you want to be a more confident industry buyer, diamond appraiser, jewelry designer, professional operator or gemologist, IGI schools all over the world can provide an unparalleled set of courses, covering refined diamonds, rough stones, colored gems, pearl appraisal, jewelry design courses and so on. After IGI has completed the courses of fine diamond appraisal, colored gems appraisal and rough diamond appraisal, it usually takes the last day of the courses as the examination day, and all the examination results will be announced on the same day. After passing the exam, IGI can obtain the certificate issued by IGI, which is universal and has high gold content.