The International Grown Diamond Association (IGDA), an organisation made up of leading lab-grown diamond growers, distributors, suppliers, retailers and technical experts, recently welcomed US jewelry manufacturer Stuller to its list of members. The members now include over 20 in number and representing eight different countries, including the U.S., China, Singapore, India, Philippines, Russia, Canada and Hong Kong, reports say. The International Grown Diamond Association seeks to represent the lab-grown diamond industry and promote lab-grown diamonds as a new choice and educate about various unique qualities and applications of lab-grown diamonds, reports add.