De Beers to Launch New Melee Tester in Early 2023
RAPAPORT... De Beers is working on a new testing machine for screening some of the tiniest melee diamonds, claiming the move will help the industry spot synthetic stones more efficiently. The new instrument will enable fast and automated verification of up to 3,600 stones per hour in the 0.001- to 0.0033-carat (0.6- to 1-millimeter) range, the miner said Friday. The equipment, part of ...