International bodies and standards
International Colored Gemstone Association (ICA)
Worldwide association of the coloured gemstone trade
The International Colored Gemstone Association (ICA), founded in 1984, is the worldwide association of the coloured gemstone trade, with offices in New York and Hong Kong.
What it does
Promotes coloured gemstones, holds a congress, runs ICA GemLab in Bangkok and the Gems Keep Giving charitable initiative, and sets a code of ethics for members.
Why it matters to you
A network of miners, cutters and dealers worldwide, with a focus on disclosure and ethics.
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