Testing instruments
Eickhorst & Co. KG
Family-run German manufacturer of gemmological bench instruments, microscopes and colour grading lighting.
The record
Kind of equipmentTesting instruments
BasedHamburg, Germany
Founded1969
StatusTrading
What it makes
Named as the maker names them on its own site. Specifications and availability change; confirm with the maker before ordering.
GEMMODULGemLED refractometerModule 3 LEDModule 6 UV darkboxGEMMASTER LEDSYNTEST Immersion MicroscopeDIALITE MasterGraderUV-COLORSCOPEMULTISPEC UV lamp
Worth knowing
The company states it was founded in 1969 by Manfred Eickhorst with the Diamond Photometer, and that the GEMMODUL series of combinable bench instruments followed in 1973. Its output spans gemmology, watchmaking and dental lighting.
Compiled from eickhorst.com, read on August 16, 2026.
We record what makers publish about themselves. We have not tested this equipment, we take no commission on it, and a listing here is not a recommendation to buy.