The Make Matters! IGC Group has been delivering Belgian excellence in diamonds to retailers, jewellery manufacturers and watch makers since 1893. IGC Group is a family run business with state-of-the-art diamond polishing factories (Thailand, Laos & Botswana) and a global network of sales offices. The consistency of IGC’s make and excellent service in rounds, fancy shapes and custom-made shapes has made them a strategic partner of premium luxury houses. IGC Group has been a Sightholder of the De