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KRÜSS offers a complete range of instrumentation for the professional gemmologist.

At the lefthand menu you will find all our gemmology products listed in categories.
If you can't find what you're looking for, or would like to ask something, feel free to get in touch with us!


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There you'll find everything you should know about our quality laboratory instruments, gemmological instruments and about the company A.KRÜSS Optronic !



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Phone: +49 40 5143 17-0 or Email:



  Scientific instruments from Germany since 1796

- Synergy of tradition and innovation -


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Welcome to A.KRÜSS Optronic, the traditional producer of gemological instruments made in Germany. We are the oldest still existing company within the fields of optics. Even today, A.KRÜSS is known worldwide for its optical instruments of highest accuracy. Jewelers and gemologists will find special microscopes for the analysis of diamonds and gemstones – they all work with high-quality precision optics. Fully equipped gemstone travel labs enable gemological analysis while traveling, refractometers and spectroscopes come along without saying. Our UV- and analysis lamps serve the purpose of authenticy control regarding fluorescent bank notes, EC-/creditcards, gemstones, ID documents or passports. For testing diamonds we put special testing instruments at your disposal. Various tweezers and stone holders support your work. Even our binocular magnifying glasses and loupes are made in highest optical quality.


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01. Loupe LU08 - 10x

€ 8.33
19 % VAT incl. excl. Shipping costs

02. Loupe LU101-18SGR - 10x - Triplet

€ 30.94
19 % VAT incl. excl. Shipping costs

03. Anderson Liquid FL100

€ 82.11
19 % VAT incl. excl. Shipping costs