Laboratory Offerings
Gemological Certification Services
GCI Gemological Centers provides structured diamond grading, gemstone identification, and jewelry documentation services.
Diamond Grading Reports
Evaluation of diamonds assessing the fundamental 4Cs: Carat Weight, Color Grade, Clarity Grade, and Cut proportions, along with detailed measurements.
Key Features:
- Carat Weight and Measurement Recording
- Color Grade Classification on Standard Scales
- Clarity Grade Assessment and Inclusions Summary
- Cut Proportions and Finish Analysis
Colored Gemstone Identification
Laboratory analysis of precious and semi-precious colored gemstones to determine mineral species, physical properties, and notable optical characteristics.
Key Features:
- Species and Variety Identification
- Physical and Optical Property Documentation
- Color Description and Measurement Details
- Comprehensive Gemstone Laboratory Summary
Fine Jewelry Reports
Evaluation and documentation of finished jewelry items, recording metal characteristics, total piece weight, and mounted gemstone attributes.
Key Features:
- Total Finished Item Weight and Description
- Mounted Diamond and Gemstone Summary
- Precious Metal Identification
- Official Laboratory Reference Report