ICA GemLab service
Chromium & Titanium Diffusion Screening
High-volume chemical screening for chromium- and titanium-related diffusion treatment. Minimum submission quantities apply.
Approximately 3–7 business days. Turnaround begins on the first business day after receipt, acceptance and registration in Bangkok. Final scope and fee depend on the material, condition and analyses accepted. Minimum submission quantities apply.
Submission & shipping requirementsWhat this service provides
Clear findings. Confident decisions.
Screening is designed for qualifying multi-stone submissions and requires an agreed sampling plan. Results are interpreted per specimen; minimum quantities and analytical scope must be confirmed with the laboratory.
Before shipping, provide the material, approximate carat weight, loose or mounted condition and required documentation. The laboratory will confirm specimen suitability, turnaround and fee before proceeding.
- Independent gemmological examination
- Clear international English
- Secure report verification where applicable
Reference images
See the evidence.
Service questions
Before you submit.
Practical guidance for a smooth laboratory journey.
Read the full submission guideWhich service should I choose?+
Begin with the report format you require, then select any relevant origin or treatment analysis. The laboratory can review your requirements before submission if you are unsure.
Is a laboratory report a valuation?+
No. ICA GemLab reports record gemmological findings. They do not state monetary value and are not an appraisal, guarantee or certificate of ownership.
How can I verify an issued report?+
Enter the report number and PIN in the secure verification portal. Reports issued after 1 July 2025 may also be accessed using the QR code printed on the document.