Opsydia is a leading innovator in diamond security, combining cutting edge technology with immutable microscopic identifiers that form a physical link between a specific diamond and its grading report, blockchain record or branded jewellery origins. Using next generation sub-surface laser techniques, Opsydia provides a secure and tamper-proof way of confirming a diamond’s identity and empowers all stages of the diamond supply chain to protect the integrity of diamonds. Our pioneering sub-surface identifiers support diamond traceability initiatives, guard against counterfeiting and distinguish natural and laboratory-grown diamonds to instill greater trust in the diamond sector among consumers. Opsydia technology can be deployed across the globe for use by jewellers, miners, manufacturers and grading laboratories. By tackling the future needs of the diamond industry today, we attract those ready to take the next step in diamond security.