Collections: Electronic diamond & gem testers
These cost from £12.50 to £500.00, yet there is no one machine that 100% guarantees you have a diamond or 'guarantees' the name of a gemstone - such machines simply do not exist. Browse several articles explaining what these machines can, and can't, do - all beautifully-written in plain English.
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Multi tester for diamond, Moissanite, ruby, sapphire. Experior by Gemtrue
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Free gift option
- Regular price
- £199.50
- Sale price
- £199.50
- Regular price
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- Unit price
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Out of stock -
Diamond Experior
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Free gift option
- Regular price
- £82.50
- Sale price
- £82.50
- Regular price
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- Unit price
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Out of stock -
SAM multi-tester
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Free gift option
- Regular price
- £359.00
- Sale price
- £359.00
- Regular price
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- Unit price
- per
Out of stock -
Arete synthetic diamond tester (Gemtrue) for natural/synthetic diamond + Moissanite
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Free gift option
- Regular price
- £925.00
- Sale price
- £925.00
- Regular price
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£995.00 - Unit price
- per
Out of stock -
Ari synthetic diamond tester (Presidium) for natural/synthetic diamond + Moissanite
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Free gift option
- Regular price
- £1,149.00
- Sale price
- £1,149.00
- Regular price
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- Unit price
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Out of stock -
OTi (by Presidium) for diamonds (natural & synthetic) + non-diamond + Moissanite
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Free gift option
- Regular price
- £1,399.00
- Sale price
- £1,399.00
- Regular price
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- Unit price
- per
Out of stock -
Diamond selector II (6 month guarantee)
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Free gift option
- Regular price
- £24.50
- Sale price
- £24.50
- Regular price
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- Unit price
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Out of stock -
Diamond selector II (3 month guarantee only)
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- Regular price
- £12.50
- Sale price
- £12.50
- Regular price
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- Unit price
- per
Out of stock -
Moissanite tester by GemTrue (Moissanite Plus)
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Free gift option
- Regular price
- £79.00
- Sale price
- £79.00
- Regular price
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- Unit price
- per
Out of stock -
Handheld presidium gem tester +3x AAA batt (model PGI)
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Free gift option
- Regular price
- £349.00
- Sale price
- £349.00
- Regular price
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- Unit price
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Out of stock -
Standard Presidium Electronic Gem Tester (model PGT II)
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Free gift option
- Regular price
- £249.00
- Sale price
- £249.00
- Regular price
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£299.00 - Unit price
- per
Out of stock -
Presidium Duo gem tester (model PDT-II)
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Free gift option
- Regular price
- £394.00
- Sale price
- £394.00
- Regular price
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- Unit price
- per
Out of stock -
Digital refractometer by Presidium (model Prim II)
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Free gift option
- Regular price
- £299.50
- Sale price
- £299.50
- Regular price
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- Unit price
- per
Out of stock -
Set of sample diamond simulants
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- Regular price
- £222.00
- Sale price
- £222.00
- Regular price
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- Unit price
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Out of stock -
Calibration discs for Gemtest-PGI
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Free gift option
- Regular price
- £39.50
- Sale price
- £39.50
- Regular price
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- Unit price
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Out of stock -
Gemtest-PGI (probe)
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Free gift option
- Regular price
- £58.80
- Sale price
- £58.80
- Regular price
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- Unit price
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Out of stock -
Presidium standard+duo probe, new (after oct 2020) models
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Free gift option
- Regular price
- £79.00
- Sale price
- £79.00
- Regular price
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- Unit price
- per
Out of stock -
Presidium standard+duo probe, old (before oct 2020) models
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- Regular price
- £79.00
- Sale price
- £79.00
- Regular price
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- Unit price
- per
Out of stock -
Power Supply (for 240v UK mains)
![Power Supply (for 240v UK mains) - Photograph 2]()
- Regular price
- £15.00
- Sale price
- £15.00
- Regular price
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- Unit price
- per
Out of stock -
Bottle of Isopropyl for cleaning stones
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- Regular price
- £3.50
- Sale price
- £3.50
- Regular price
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- Unit price
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Out of stock -
Set of 11 diamond colour-grading stones by Gemoro
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Free gift option
- Regular price
- £239.00
- Sale price
- £239.00
- Regular price
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- Unit price
- per
Out of stock
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