De Beers seeks to bolster defences against impostor diamonds

Diamond specialists De Beers has rolled out a new machine to prove the authenticity of diamonds to ward off the threat of synthetic stones masquerading as real ones. At an event in Hong Kong, the International Institute of Diamond Grading & Research (IIDGR), part of the De Beers diamond group that parent Anglo American has said is central to its operations, launched new equipment that can screen thousands of tiny diamonds, known as melee, and determine whether they are genuine.