Authenticity Tools
Gemstone Testing Tools: Refractometer, Polariscope and More
The professional toolkit gemmologists use to identify coloured stones.
Core instruments
Refractometer (measures refractive index), polariscope (single vs. double refraction), dichroscope (pleochroism), spectroscope (absorption lines), UV lamp (fluorescence) and microscope (inclusions).
Lab instruments
FTIR, Raman and LA-ICP-MS spectroscopy determine treatment and geographic origin — used by AGL, SSEF and Gübelin.
Verification tools & references
Every Riakoob piece arrives certified, insured and covered by our 12-month value promise.
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