Journal profile · Mineralogy
Gems & Gemology
ISSN 0016-626X · Gemological Institute of America (GIA) · UNITED STATES · Quarterly
Gems & Gemology: CAS Zone 4 · Earth Sciences (2025 upgraded edition); impact factor 1.55; fully open access; community-reported acceptance: easy; 15 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Gems & Gemology is published by Gemological Institute of America (GIA) and is in Zone 4 of Earth Sciences in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Mineralogy and Gemology Studies, Cultural Heritage Materials Analysis and Geological and Geochemical Analysis, together about 67.9% of its articles. Its main subfields are Archeology. (generated from OpenAlex topic counts and CAS ranking data)
Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.
From the journal's Aims & Scope
Research area (LetPub): Mineralogy
Main research topics OpenAlex counts of recent articles; shares are approximate
- Mineralogy and Gemology StudiesEarth and Planetary Sciences46%
- Cultural Heritage Materials AnalysisArts and Humanities11.6%
- Geological and Geochemical AnalysisEarth and Planetary Sciences10.3%
- Metallurgy and Cultural ArtifactsSocial Sciences5.2%
- Geochemistry and Geologic MappingComputer Science5.1%
- Diamond and Carbon-based Materials ResearchMaterials Science2.9%
- Crystal Structures and PropertiesMaterials Science2.7%
- Archaeology and Rock Art StudiesSocial Sciences1.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Mineralogy | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Mineralogy | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Earth Sciences Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 3 |
| Minor | Mineralogy | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.55LetPub ·
- CiteScore 2026-06
- 2LetPub ·
- SJR 2026-06
- 0.6LetPub ·
- SNIP 2026-06
- 1.32LetPub ·
- h-index
- 19LetPub ·
- h-index
- 40OpenAlex ·
- i10-index
- 324OpenAlex ·
- 2-year mean citedness
- 1.88OpenAlex ·
- Self-citation rate
- 20.8%LetPub ·
- Share of gold OA articles
- 82.22%LetPub ·
Volume
- Articles per year
- 12LetPub ·
Articles by year OpenAlex count · 1,385 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 6 | 6 | 1 |
| 2025 | 15 | 15 | 30 |
| 2024 | 11 | 11 | 29 |
| 2023 | 18 | 18 | 31 |
| 2022 | 14 | 14 | 54 |
| 2021 | 15 | 15 | 64 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Article types accepted3
- articlesArticles (3)Length not stated
- regular featuresRegular FeaturesLength not stated
- special featuresSpecial FeaturesLength not stated
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Gemological Institute of America (GIA)
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Quarterly
- ISSN
- 0016-626X
- Official links
- Journal homepage ↗LetPub
FAQ
Frequently asked questions about Gems & Gemology
What CAS zone is Gems & Gemology in?
In the 2025 upgraded edition of the CAS Journal Ranking, Gems & Gemology is in Zone 4 of Earth Sciences, and in Zone 4 of the minor category Mineralogy. In the 2026 Xinrui edition it is in Zone 4 of Earth Sciences. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Gems & Gemology?
The latest impact factor listed by LetPub is 1.55; CiteScore 2, h-index 40.
Which databases index Gems & Gemology?
According to LetPub and DOAJ records, Gems & Gemology is indexed in SCIE and Scopus.
Is Gems & Gemology open access, and what is the APC?
Gems & Gemology is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .