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Cantera Opal

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Cantera Opal is a captivating gemstone renowned for its mesmerizing…
ICIA - International Crystal Industry Alliance

An independent, non-governmental international metrological and regulatory alliance establishing empirical crystal grading codices (CCGS, RCGS, MSGS) and sovereign ledger verification under English Common Law.

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• CCGS (4C+1I) • RCGS (5R) • MSGS (4M)
ICIA Sovereign Seal

ICIA SOVEREIGN SEAL
EST. 2015 • LONDON & GENEVA

OAISS SUPERVISED
SUPERVISION SERVICE

IGMRI METROLOGY
MICRO-FTIR 3054 cm-1

CODEX STANDARDS
CCGS (4C+1I) • RCGS (5R) • MSGS (4M)

IGSTS LEDGER
SHA-256 • CERT.ICIA.UK

Statutory Legal Disclaimer: ICIA (International Crystal Industry Alliance) is an independent, non-governmental regulatory alliance. Certifications issued under the authority of the ICIA Certification Council pursuant to CCGS (4C+1I), RCGS (5R), and MSGS (4M) empirical frameworks verify physical specimen properties at the time of laboratory inspection and do not constitute a direct commercial guarantee of secondary market liquidity.
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