Notes from the trading desk.

A practical library of gemstone knowledge, buying guidance and market context.

Built for collectors, jewellers and private buyers. This section brings together the information that matters most: how stones are judged, how treatments affect value, how the market behaves and how to buy with greater clarity.

How we work

A structured approach to how gemstones are classified, assessed and presented.
View

Treatments & Disclosures

Clear explanations of the various treatments and what they mean in practice.
View

Cuts, Color & Clarity

Practical education on how stones are judged beyond lab jargon.
View

Buying & Sourcing

Guides for collectors, jewellers and private buyers on how to assess stones intelligently.
View