G&G publishes original articles on gem materials and research in gemology and related fields. Manuscript topics include, but are not limited to:

Laboratory or field research;
Comprehensive reviews of important topics in the field;
Synthetics, imitations, and treatments;
Trade issues;
Recent discoveries or developments in gemology and related fields (e.g., new instruments or identification techniques, gem minerals for the collector, and lapidary techniques);
Descriptions of notable gem materials and localities;
Jewelry manufacturing arts, historical jewelry, and museum exhibits.