Start with the evidence
Emerald combines science, judgement and trade language. These guides separate measurable properties from commercial opinion and identify the limits of what can be known from appearance alone.
Knowledge library
Understand what the material is, how it formed, how it is identified and how to assess it with greater confidence.
Reviewed
Emerald combines science, judgement and trade language. These guides separate measurable properties from commercial opinion and identify the limits of what can be known from appearance alone.
Looking for something particular?
Tell us the colour, size, shape or rough material you are seeking. We will be clear about what is available and what supports its origin.
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