OCIRT provides verified gemstone identification and provenance for jewellers and their clients.

Each OCIRT card is individually engraved in solid brass, recording confirmed specifications, test results, and declared origin with enduring precision.

OCIRT offers lasting reassurance — a permanent record of authenticity, ethics, and value that can be held, kept, and trusted for generations.

Available through selected jewellers across Australia and New Zealand.

Proudly Australian developed and owned, by a gemstone merchant business established in 1951.