Diamond language for industry professionals

This page provides clarification of the legal language used in buying and selling diamonds

The new legal standard for nomenclature

The new legal standard for nomenclature is very clear and defines the acceptable language to be used by those involved in the buying and selling of diamonds, treated diamonds, synthetic diamonds, composite diamonds and imitations of diamonds.

This International Standard specifies a set of permitted descriptors for the diamond industry and is specifically designed to be understood by the consumer. The Standard also includes a series of definitions which aim to provide further clarity for traders and maintain consumer confidence in the diamond industry as a whole.

See below for a summary of some of the definitions and usage.

Natural

Diamond

Treated

Synthethic