RGS offers a comprehensive range of specialized services in the field of diamonds and colored gemstones
RGS Services
Diamond Testing Services (rough and polished diamonds)
- Diamond identification and type classification
- Authenticity determination (natural vs. synthetic diamond separation)
- Treatment detection (especially HPHT treatment)
- Cut and Color grading of polished diamonds
Colored Gemstone Testing Services
- Gemstone identification based on classical and advanced testing methods
- Authenticity determination
- Origin determination of emerald, ruby, and Baltic Amber
- Treatment detection
- Natural vs. cultured pearl identification
*Verify your RGS report and download a digital copy at www.RGS-INSTITUE.COM/CERT
Gemstone Testing & Certification Workflow
From Sample Reception to Scientific Certification
- We are an independent Iranian non-profit foundation
- Trusted by major dealers, brands and auction houses
- Excellency in science
Research
The Research Department of the Gemological Laboratory is dedicated to developing and continuously updating a comprehensive gemstone database, with a strong focus on origin determination studies. The department also conducts advanced analytical research, including the calibration and standardization of LIBS samples to ensure accuracy and reliability in elemental analysis.
Laboratory
A state-of-the-art gemology laboratory is characterized by its use of advanced, often automated analytical technologies for identification, authenticity verification, treatment detection, and origin determination of gemstones (Diamond & Gemstones)
Education
RGS is pioneers in introducing and teaching modern spectroscopic and advanced analytical methods in the country. The institute offers a variety of courses, from basic to advanced and specialized levels.
Become a gem expert
RGS is pioneers in introducing and teaching modern spectroscopic and advanced analytical methods in the country. The institute offers a variety of courses, from basic to advanced and specialized levels.
Discover our courses
- Introductory & Prerequisite Courses
- Advanced Courses
- Professional / Expert-Level Courses
Equipment Manufacturing Department
Since the laboratory’s inception, this department has actively designed and fabricated specialized instruments