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Emerald: Geological Formation and the Role of Trace Elements in Color

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Emeralds are one of the most sought-after and valuable gemstones,…

Most Precious Types of Sapphires

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When evaluating precious sapphires, factors such…

Donghai Crystal

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Donghai Crystal refers to high-quality crystals and gemstones…
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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ICIA SOVEREIGN SEAL
EST. 2015 • LONDON & GENEVA

OAISS SUPERVISED
SUPERVISION SERVICE

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MICRO-FTIR 3054 cm-1

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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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