Leading diamond security specialist, Opsydia, has honed its sub-surface laser technology to such an extent that it can now place permanent identifiers in melee diamonds without...
Leading diamond security specialist, Opsydia, has unveiled new classifications for its sub-surface identifiers, allowing diamond manufacturers, brands and grading houses to choose from a range of...
Fake and irresponsibly sourced diamonds are undermining confidence in the industry – sales are down. Can new technologies, such as laser etching and blockchain, reassure an...
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