Technology
Our Instruments
Our laboratories operate with equivalent instrumentation, ensuring consistent analysis whether your gemstone is examined in Lucerne or Hong Kong.
FTIR Spectrometer
Infrared analysis for treatment detection.
Raman Spectroscopy
Molecular identification and mineral analysis.
Laser-Induced Breakdown Spectroscopy
Trace-element analysis, including beryllium detection.
UV-Vis-NIR Spectroscopy
Colour origin assessment and treatment analysis.
Advanced Microscopy Analysis
Inclusion analysis by expert gemmologists.
Photoluminescence Spectroscopy
Gemstone identification and treatment analysis.
Energy-Dispersive X-Ray Fluorescence
Chemical analysis and elemental mapping for origin and treatment assessment.
Basic Gemmological Tools
Optical and physical measurements for initial gemstone identification.
«By combining expertise, digital platforms, and real-time data, SIG delivers precise, transparent, and future-ready results faster and more efficiently. Innovation strengthens trust by enhancing expertise, not replacing it.»
Matthias Alessandri, CTO