Rapid Evaluation for Your Stone.
Our GemFolio Premium Prescreen Report provides preliminary gemstone screening and essential identification. Using a systematic multi-instrument workflow, we determine the mineral species, detect any treatments or enhancements, and provide a rapid evaluation workflow suitable for collectors and dealers.
This report includes seamless digital record integration, ensuring every conclusion is backed by spectroscopic evidence and verified through our proprietary system.
Species Identification
Mineral species and variety classification
Treatment Disclosure
Treatment / enhancement disclosure
Origin Determination
Origin determination (where applicable)
Digital Integration
Digital verification + QR code and stone photograph
Gemstones We Test
From Submission to Report.
Submit
Drop off or ship your stone to our lab
Register
Weigh, photograph, and assign unique ID
Analyse
Multi-instrument spectroscopic analysis
Review
Expert interpretation + ML cross-reference
Report
Generate certified digital/physical report
Deliver
Secure return with report & micro-tag
Analytical Arsenal.
Raman Spectroscopy
Molecular identification, inclusion analysis, and phase determination through laser-induced vibrational spectroscopy.
FTIR Spectrometer
Infrared absorption analysis for treatment detection — polymer impregnation, heat markers, and filler residues.
UV-Vis-NIR
Full-spectrum absorption mapping to determine colour cause, chromophore identification, and synthetic screening.
EDXRF Analyzer
Chemical composition and trace element profiling down to ppm precision for origin classification vectors.
Microscopy Suite
High-magnification inclusion study, growth structure analysis, and photodocumentation of internal features.
Photoluminescence
Time-resolved fluorescence for defect centre study and treatment-related optical signature detection.
What You Receive.
GemFolio Premium Prescreen Report
Providing essential identification, origin determination (where applicable), and treatment disclosure.
Digital Record Integration
Seamless digital verification with QR code access and stone photograph.
Digital Verification
Online report verification via our public check system — instant, permanent access.
Service Levels.
| Service Level | Duration | Premium |
|---|---|---|
| Standard | 5–7 business days | — |
| Priority | 3–4 business days | x2 |
| Express | 1–2 business days | x3 |
Turnaround begins from the business day after sample registration. Complex origin cases may require additional time.
What a Report Looks Like.
Each report identifies the gemstone and any treatments, including its origin if we can definitively determine it.
View Interactive Sample ReportsSubmit Your Gemstone.
Ready to get your gemstone prescreened? Contact us to begin the submission process or visit our Bangkok facility.