The 4Cs
Diamond grading
A structured assessment of carat weight, color, clarity and cut, with any additional observations documented in the report.
Turnaround confirmed after intake
Quote on request
Services & education
Expertise for every stone. Knowledge for every curious mind.
Explore laboratory services and learning resources. Actual availability, prices and turnaround times should be confirmed directly with the laboratory.
Enquire
Natural & treated materials
Gemstone identification
Identification of gemstone species and relevant observations using suitable gemological testing methods.
Depends on specimen and tests
Quote on request
Jewelry documentation
Jewelry appraisal
Item description and gemstone observations to support inventory, records and customer understanding.
Assessment after inspection
Quote on request
Learn the fundamentals
Gemology courses
Introductory learning in gemstone properties, identification principles, grading language and responsible reporting.
Cohort schedule to be announced
Course fees to be announced
Education resources
The 4Cs guide
Learn how the core diamond grading concepts influence description and comparison of diamonds.
Self-paced resource
Educational resource