Premium Gemstones with individual identification & provenance.

Explore an exceptional collection of premium, individually documented gemstones, available to view by arrangement through participating jewellers across Australia and New Zealand.

OCIRT brings together gemstone identification, provenance information and detailed gemmological records, giving jewellers and their clients greater confidence in each gemstone's identity and characteristics.

Every OCIRT gemstone is accompanied by an individually engraved solid brass card, linking to its permanent digital record of specifications, testing and declared origin.

Discover a gemstone that interests you and enquire about viewing it with an OCIRT jeweller.