International Gemological Institute to Participate in Doha Jewellery & Watches Exhibition 2022 Dubai-UAE, 5 May 2022: International Gemological Institute (IGI), the world’s largest independent gemological laboratory, is all set to participate in the upcoming Doha Jewellery & Watches Exhibition (DJWE) scheduled to run from 9-13 May 2022 at the Doha Exhibition Convention Centre. At the … Continue reading International Gemological Institute to Participate in Doha Jewellery & Watches Exhibition 2022