Whether you are an amateur or professional gemmologist -
in our store you will find everything you need for gemstones
from tweezers to refractometers
Welcome to A.KRÜSS Optronic. Here you can buy gemmological quality instruments.
Would you like to test gemstones and are you looking for the right measuring instruments?
Our devices support gemmologists in testing, examining and evaluating gemstones. Furthermore our measuring instruments are the right choice for inspecting characteristics and properties such as clarity, cut, carat, cut, polish and purity. Our range includes high quality loupes, tweezers, polariscopes, dichroscopes and spectroscopes.
Our stereo microscopes, diamond test devices or refractometers are suitable for the precise determination of gemstones. For gemmologists who want to work on the move, we offer a fully equipped mobile gem laboratory.
Why buy from A.KRÜSS Optronic?
All our measuring instruments use high-quality optics and meet international standards for investigations and measurements. We provide you with measuring instruments with many extras: we also supply specialist information for every gemmological investigation: Various practical tips explain how the devices work and how to use them. These instructions were written by qualified mineralologist Prof. Dr. written by Jochen Schlueter. He is responsible for the permanent collection of the Mineralogical Museum in Hamburg. You always receive attractive special guarantee services for our long-life measuring devices.
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Our company
A.KRÜSS Optronic is world-famous for its optical measuring devices ensuring the highest precision. Our family business benefits from a 225-year-old company history. Most of the devices are produced in Hamburg. Universities, experts and amateur gemmologists also appreciate this, as they can rely on our quality.
Devices from our company are of such a premium standard that, as significant objects in terms of technical and scientific history, they in fact form part of the “Modern Chemistry” exhibition at the Deutsches Museum in Munich. In addition, many TV productions include our microscopes in their equipment as they provide top-grade, robust and precise service, even under difficult conditions.
Gemmo-News
Microscope photos for gemmology
KRÜSS gem microscopes are used by jewelers, gemmologists and stone setters. The latest trend: the professional evaluation of gemstones and jewelry is documented with microscope photography.
New now! Stereo microscopes with exclusive equipment
Our new microscope model KSW6000 is a stereo microscope of the highest quality. It has very exclusive features and the high-quality design is made of metal.