Gemstone & Diamond Certification
Gemstone & Diamond Certification
GCL
Our certificates are created using high precision gemological instruments and controlled grading environments to ensure unbiased, accurate results.
Every certificate is reviewed by certified gemologists and issued with full details to protect buyers, sellers, and collectors.
Lab Services
Our Services:
• Diamond grading and evaluation
• Colored gemstone identification
• Treatment detection (heat, filler, irradiation, dye, etc.)
• Composite and mounted stone analysis
• Origin determination (country of source)
• Inclusion and clarity mapping
• Fluorescence and color composition analysis
• Cleanliness, defects, and purity inspection
• Testing for loose and mounted stones
Standards & Delivery:
Reports follow international gemological grading standards with fast, precise, and transparent results.


