De Beers’ International Institute of Diamond Grading & Research (IIDGR) unveils its next generation automated melee diamond screening device – the AMS2 – at this week’s International Diamond, Gem & Pearl Show in Hong Kong.
De Beers’ International Institute of Diamond Grading & Research (IIDGR) unveils its next generation automated melee diamond screening device – the AMS2 – at this week’s International Diamond, Gem & Pearl Show in Hong Kong.