Gem-name guide / Gem variety

Fancy Color Diamond

Fancy Color Diamond is included in GIA’s gem encyclopedia. Read the linked GIA guide for identification and gemological context.

Material or mineral family: Diamond
Name classification: Gem variety

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Names describe materials, not the authenticity, treatment, provenance or quality of a particular specimen. Physical properties vary for mixed materials; values absent from this guide have not been estimated.

Reference snapshot: September 2026. Source dates and uncertainties are retained in the record.