EDUCATION · CATHYPAUL DIAMOND ACADEMY

Diamond Academy

For thirty years, CathyPaul has been bringing trusted, expert diamond knowledge to customers across Hong Kong. From the basics of the 4Cs to collecting fancy colour diamonds, this is where your diamond journey begins.

Diamond Knowledge 2026.05.27

The Complete Guide to Diamond 4Cs — The Buying Logic Behind Cut, Clarity, Colour and Carat

Start with the 4Cs, learn to read a GIA certificate and avoid common buying pitfalls. One article to understand why cut matters most, and...

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Diamond Academy

The Complete Guide to Diamond 4Cs — The Buying Logic Behind Cut, Clarity, Colour and Carat

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Diamond Academy

The Complete Guide to Diamond 4Cs — The Buying Logic Behind Cut, Clarity, Colour and Carat