The right tools for gemological studies

Expand your opportunities and access untapped sources of inspiration.
Prices are marked in swiss francs CHF. The actual exchange rates for US$ and EUR are marked at the bottom of the page.
Delivery from our stock in Switzerland plus transport costs. All prices are subject to change.

Basic gemmological tools
Gemstone tweezer with lock CHF10.-  EUR9.-
Loupe 10x corrected aplanatic + chromatic manual CHF34.-  EUR28.-
Darkfield Loupe 10x corrected aplanatic + chromatic CHF55.-  EUR45.-
Polariscope with light source manual CHF55.-  EUR45.-
Refractometer manual CHF367.-  EUR299.-
Refractometer liquid CHF55.-  EUR45.-
Blue Chart - tables of gemstone identification Eddition 2015details CHF58.-  EUR54.-
Dicroscope manual CHF107.-  EUR87.-
Spectroscope OPL manual CHF100.-  EUR94.-
Chelsea - Jadeite Filter manual CHF61.-  EUR50.-
Ruby Filter CHF61.-  EUR50.-
Diamond tester manual CHF88.-  EUR82.-
Diamond - Moissanite Combination tester manual CHF228.-  EUR212.-
Gemstone Mini carat-gr scale 750 x 0.05 ct / 150 x 0.01 gr CHF29.-  EUR27.-
Diamond scale 100 x 0.01 ct CHF74.-  EUR69.-
Hydrostatic equipment manual CHF40.-  EUR37.-
Digital caliper 156mm x 0.01mm CHF64.-  EUR60.-
World map of gem deposits CHF20.-  EUR19.-
Digital refractometertest report CHF650.-  EUR609.-

Travel cases for your Gemmological instruments
You may order travelcases equipped according to your needs. Select your tools in the list above.

Lapidary's identification kit
CHF 578.-
(EUR 524.-)

Briefcase
CHF 1'269.-
(EUR 1'171.-)

Travelcase medium
CHF 1'269.-
(EUR 1'171.-)

Travellab small KA41
CHF 3057.-
(EUR 2'490.-)

Travellab KA52
CHF 7'967.-
(EUR 6'490.-)

Gemmological instruments   ~   Gemmological instruments

Krüss Tweezers
CHF 15.-(EUR 12.-)
Titanium CHF 34.-(EUR 28.-)

Tweezers with lock
CHF 10.-(EUR 9.-)

Tweezers Titanium
CHF 21.-(EUR 19.-)

World map of gem deposits
CHF 20.-(EUR 19.-)

Darkfield loupe 10x
triplet, aplanatic & chromatic corrected
CHF 55.-(EUR 45.-)

Pocket Polariscope with light source
CHF 55.-(EUR 45.-)

Pocket Polariscope with integrated LED light source
CHF 76.-(EUR 70.-)

A brief review of gemstone optical properties
from a lapidary's perspective by Sandrine Kunz
CHF 15.-(EUR 14.-)

Loupe 10x / 21mm triplet, aplanatic & achromatic corrected with LED ring lamp, recharge with USB cable on your laptop or AC/DC adapter / 100-240 Volt input
CHF 110.-(EUR 90.-)

Loupe 50x
CHF 32.-(EUR 30.-)

Loupe 10x 18mm
triplet, aplanatic & achromatic corrected
CHF 34.-(EUR 28.-)

Loupe 10x+20x
triplet, aplanatic & achromatic corrected
CHF 71.-(EUR 58.-)

Krüss Loupe 10x 21mm
triplet, aplanatic & achromatic corrected
CHF 60.-
(EUR 49.-)

Krüss Loupe 15x 18mm
triplet, aplanatic & achromatic corrected
CHF 39.-
(EUR 32.-)

Krüss Loupe 20x 18mm & 21mm, triplet, aplanatic & achromatic corrected
CHF 39.- / 60.-
(EUR 32.- / 49.-)

Special loups
triplet, aplanatic & achromatic corrected

Krüss Refractometer with sodium filter
CHF 1043.- (EUR 850.-)

Refractometer with sodium filter for external illumination and integrated LED light source CHF 590.- (EUR 546.-)

Refractometer with integrated LED light source CHF 367.- (EUR 299.-)

Refractometer liquid RI 1.79
Volume 10ml CHF 55.- (EUR 45.-)

Option external sodium light source LED 220V for Krüss Refractometer CHF 122.- (EUR 99.-)

Digiatal refractometer
RI 1.200 - 3.000
CHF 650.- (EUR 609.-)

Desktop Polariscope
CHF 243.-(EUR 198.-)

Blue chart - tables of gemstone identification.
Edition 2015 with 79 color absorption spectrums
CHF 58.-(EUR 54.-)
High precision

Pocket Balance
20x0.002gr / 100x0.01ct
CHF 74.-(EUR 69.-)
High precision

Precision scale
20x0.002gr / 100x0.01ct
calibration
CHF 159.- (EUR 149.-)
High precision

Mini digital scale
20x0.002gr / 100x0.01ct
calibration
CHF 70.- (EUR 66.-)


Digital caliper
104mm x 0.01mm
CHF 64.- (EUR 60.-)
Medium precision

MX scale
Transportable gem scale
50x0.01gr / 250x0.05ct
CHF 149.-(EUR 140.-)
Medium precision wide range

Pocket Balance
500x0.01gr / 2500x0.1ct
CHF 141.-(EUR 132.-)
Medium precision

150A mini scale
Transportable gem scale
150x0.01gr / 750x0.05ct
CHF 29.-(EUR 27.-)


Hydrostatic accessory for
all scales
CHF 40.-(EUR 37.-)

Pocket Balance
3000x0.1gr / 15000x0.5ct
CHF 59.-(EUR 55.-)

Krüss gold scale GW50
350x0.1gr
CHF 145.-(EUR 118.-)

Mechanical gem scale
250 x 0.01 ct
CHF 69.-(EUR 65.-)

Presidium Multi Tester III
recognizes also sapphire & ruby
CHF 393.-(EUR 320.-)

Diamond tester small
Does not recognize Moissanite
CHF 88.-(EUR 82.-)

Presidium Diamond Mate A
Does not recognize Moissanite
CHF 172.- (EUR 140.-)

Diamond Moissanit tester
separates only diamonds from Moissanit
CHF 190.-(EUR 178.-)

Diamond Moissanit Combo tester
recognizes also sapphire & ruby
CHF 228.-(EUR 212.-)

Dichroscope
CHF 107.-(EUR 87.-)

Ruby filter
CHF 61.- (EUR 50.-)

Jadeite - Chelsea filter
CHF 61.-(EUR 50.-)

OPL Booklet
A students guide to spectrography
CHF 24.- (EUR 22.-)

Original OPL
Teacher diffraction grating spectroscope
CHF 136.- (EUR 127.-)

Original OPL
Poket diffraction grating spectroscope
CHF 100.- (EUR 94.-)

Diffraction grating spectroscope
with adjustable focus
CHF 110.- (EUR 102.-)

Krüss Spectroscope
with prism and moveable slit
CHF 216.- (EUR 176.-)

Spectroscope
with prism and fixed slit
CHF 154.- (EUR 144.-)

Spectroscope
with prism and fixed slit
CHF 170.- (EUR 159.-)

Spectroscope
with prism and moveable slit
CHF 240.- (EUR 225.-)

Krüss Spectroscope with prism, wavelength scale and moveable slit
CHF 393.- (EUR 320.-)

Stereo Zoom Microscope 10x - 40x with reflected light, transmitted light, darkfield and Stoneholder
CHF 905.- (EUR 848.-)

Stereo Zoom Microscope 10x - 40x with photo - video adapter, reflected light, transmitted light, darkfield and Stoneholder
CHF 1103.- (EUR 1033.-)

Krüss Microscope
7x - 45x zoom

Reflected - Transmitted light - Stoneholder - Darkfield
KSW-5000
CHF 945.-
(EUR 770.-)

Krüss Microscope
7x - 45x zoom
with photo - video adapter
Reflected - Transmitted light - Stoneholder - Darkfield
KSW-5000T
CHF 1080.-
(EUR 880.-)

Hearts & Arrows to control ideal diamond proportions
CHF 20.-
(EUR 19.-)

Daylight Ringlamp
for microscope
220-230 Volt
CHF 147.-
(EUR 120.-)

Daylight Ringlamp with
56 LED for microscope
100-230Volt
CHF 243.-
(EUR 198.-)

Zeiss Microscope 8x - 32x with GIA stand, tilting base - 9 watt overhead fluorescent lamp - tungsten halogen lamp bright field / darkfield - with sliding baffle and iris diaphragm - Stoneholder - Cold light fibre optic - full 360° rotation - 220Volt
KSW-6000
CHF 3045.-
(EUR 2480.-)

Hearts & Arrows to control ideal diamond proportions
CHF 27.-
(EUR 25.-)

Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield

Vertical setup
KSW-4000
CHF 405.-
(EUR 330.-)

Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield - Cold light
Vertical setup
KSW-4000K
CHF 857.-
(EUR 698.-)

Krüss Microscope 10x + 30x
Reflected - Transmitted light - Stoneholder - Darkfield - Cold light - Immersion cell Horizontal or Vertical setup
KSW-4000KW
CHF 1220.-
(EUR 994.-)
Learn the proper use of these tools, and take a class in gemmology

Payment options
Bank transfer or


Credit card is accepted
only if the customer is
present at the point of sale.
Exchange rate 1 CHF swiss franc equals

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