Established in 1931, the Gemological Institute of America (GIA) is the world's foremost authority on diamonds, coloured stones, and pearls. GIA exists to protect all purchasers of gemstones, by providing the education, laboratory services, research, and instruments needed to accurately and objectively determine gemstone quality.
A nonprofit institute, GIA's mission is to ensure the public trust in gems and jewellery by upholding the highest standards of integrity, academics, science, and professionalism through education, research, laboratory services, and instrument development. GIA attained its leadership role through decades of integrity and ingenuity, and everything we do is still driven by this mission.
Whether you learn through GIA On Campus, Distance Education, or Lab Classes, you belong to GIA's internationally respected tradition of knowledge and integrity. With GIA it doesn't matter if you are around the corner or around the world, a prestigious GIA Diploma is conveniently within your reach.
Come enjoy the splendid surroundings of our Bloomsbury campus. Or take pleasure in the ease and convenience of studying from home. No matter how you choose to learn, rest assured that at GIA, you'll learn the skills and knowledge of a true gem and jewellery professional.
At GlA.s London Campus, our staff is dedicated to providing you with the skills and knowledge you need to develop a brilliant career in the gem and jewellery industry. We offer a wide range of internationally respected diploma programmes and courses in business, design and gemology. For over 80 years, GlA has been providing students with the most valuable, enjoyable and comprehensive gemmological education available. And I invite you to belong to that respected tradition..
Edward Johnson, GIA GG
Director, London Education
104 Great Russell Street
London WC1B 3LA
T: +44 (0) 207 813 4321