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Diamond and Gemstone Testers

Discover Precious Stones in Seconds

Diamond and Gemstone Tester FAQs

How Does A Gemstone Tester Work?

All precious stones have individual heat conducting characteristics that tell it apart from others. A gemstone tester sends heat through a stone to measure how fast the stone conducts it. Depending on the result, a type of gemstone will be identified.

How Accurate Are Diamond Testers?

High quality diamond testers are the most accurate tools to check if a diamond or gemstone is authentic. You should only buy these tools from reputable retailers or distributors to ensure that quality is assured.

Which Is The Best Diamond Tester?

There is no one best diamond tester on the market. What matters is what features are necessary and which product offers these features.

How Much Are Diamond Testers?

Our diamond testers range from £149 to £6,495 depending on the style, brand, and accuracy that you require from our testers.

Can A Diamond Tester Test Other Stones?

A diamond tester can test other stones for authenticity. For instance, a diamond tester can test rubies, sapphires, crystals, agate, jadeite, etc.

Can You Test A Ruby With A Diamond Tester?

Yes a diamond tester can test rubies, as well as diamonds, sapphires, crystal, and many more stones.

Will Moissanite Pass A Diamond Tester?

The heat conductivity of moissanite is very close to a diamond, so a diamond tester of lower quality might not give you a definitive result. If you have concerns about this you should invest in a superior, quality assured diamond or gemstone test.

Original price £1,949.00 - Original price £1,949.00
Original price
£1,949.00
£1,949.00 - £1,949.00
Current price £1,949.00

Presidium OTI Handheld Diamond Screener

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OTi enhances the authentication process by accurately distinguishing natural diamonds from synthetics, crucial in an era of increasing lab-grown di...

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Original price £169.00 - Original price £169.00
Original price
£169.00
£169.00 - £169.00
Current price £169.00

Presidium Diamond Mate A

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Presidium Diamond Mate is a premium entry to the brand's line of testers that utilize properties of electro-thermal conductivity and PRESIDIUM's si...

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Original price £6,495.00 - Original price £6,495.00
Original price
£6,495.00
£6,495.00 - £6,495.00
Current price £6,495.00

Diamond Counter D-JR

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Setting stones in modern intricate Jewellery designs requires an exact count of the stones to be used. Counting small gemstones is a difficult and ...

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Original price £649.00 - Original price £649.00
Original price
£649.00
£649.00 - £649.00
Current price £649.00

Gemlogis Mantis LCD Diamond Tester + BLEU Colour Referential Meter Set

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MANTIS is the latest diamond tester that works independently or in conjunction with Gemlogis BLEU a colour stone meter with a touch-sensitive displ...

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Original price £95.00 - Original price £95.00
Original price
£95.00
£95.00 - £95.00
Current price £95.00

Replacement Tip for ARI Presidium Diamond Screener

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ARI by Presidium is a handheld Presidium Diamond Tester. ARI measures the UV light absorbance ability of diamonds and moissanites within 3 seconds....

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Original price £349.00 - Original price £349.00
Original price
£349.00
£349.00 - £349.00
Current price £349.00

Presidium Diamond and Moissanite Multi-Tester III

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The Presidium Multi Tester III has been developed to help distinguish between colourless diamonds and moissanite using the combined principles of t...

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Original price £249.00 - Original price £249.00
Original price
£249.00
£249.00 - £249.00
Current price £249.00

Presidium Diamond Mate-C Diamond and Moissanite Tester

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Presidium® Diamond Mate is a premium entry to the brand's line of testers that utilize properties of electro-thermal conductivity and PRESIDIUM's s...

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Original price £399.00 - Original price £399.00
Original price
£399.00
£399.00 - £399.00
Current price £399.00

Presidium SAM Diamond & Moissanite Tester

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Presidium® SAM is a premium entry to the brand's line of testers that utilize properties of electro-thermal conductivity and Presidium's signature,...

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Original price £249.00 - Original price £249.00
Original price
£249.00
£249.00 - £249.00
Current price £249.00

Terminator II Mossanite Tester

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Known as the Moissanite TERMINATOR The Moissanite Terminator II has dual test voltages to ensure 100% accuracy Will identify artificial moissanite...

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Original price £9,849.00 - Original price £9,849.00
Original price
£9,849.00
£9,849.00 - £9,849.00
Current price £9,849.00

GUARDIAN CVD/HPHT Commercial Lab-Grown Diamond Detector

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Out of stock

The Guardian is a reliable and cost-effective CVD/HPHT lab-grown diamond detector for retailers, chain stores, independent jewellers, and small man...

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Original price £6,499.00 - Original price £6,499.00
Original price
£6,499.00
£6,499.00 - £6,499.00
Current price £6,499.00

GEM-ID Diamond DNA Generate and Identification Machine

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Gem ID is equipped to generate and identify the DNA of a diamond. It enables you to register the DNA of a loose diamond and recognize it even after...

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Original price £23,499.00 - Original price £23,499.00
Original price
£23,499.00
£23,499.00 - £23,499.00
Current price £23,499.00

J.SMART Pro Smart Large Capacity Diamond Detector

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Scan diamonds of all shapes, sizes, and colours, with J Smart Pro. With easy plug-in and play, scan lab-grown diamonds from your facility. With a s...

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Original price £6,499.00 - Original price £6,499.00
Original price
£6,499.00
£6,499.00 - £6,499.00
Current price £6,499.00

J.MINI Pro AI-Diamond Detector

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A portable AI-based auto diamond detector to scan lab-grown diamonds on the go! Take the security and assurance of your diamonds wherever you go wi...

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Original price £95.00 - Original price £95.00
Original price
£95.00
£95.00 - £95.00
Current price £95.00

Probe Tip for use with Adamas Diamond & Moissanite Tester

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Especially for Adamas, the world’s only diamond and moissanite tester with interchangeable tips. The Regular Probe tip incorporates the signature P...

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Original price £449.00 - Original price £449.00
Original price
£449.00
£449.00 - £449.00
Current price £449.00

Spectroscope With Scale

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Spectroscopes measure the characteristic spectrum through principal ingredients and colouration elements contained in the gemstone it is the device...

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Original price £249.00 - Original price £249.00
Original price
£249.00
£249.00 - £249.00
Current price £249.00

Source Diamond & Moissanite Tester

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If you need a reliable, simple, easy-to-use tester- look no more. A-Source detects diamonds, moissanite and diamond simulants using the principles ...

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Original price £449.00 - Original price £449.00
Original price
£449.00
£449.00 - £449.00
Current price £449.00

Presidium Gem Indicator Coloured Gemstone Tester

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The Presidium Gem Indicator is the industry's one and only handheld digital tester for coloured gemstones, for application in 31 different types of...

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Original price £69.00 - Original price £69.00
Original price
£69.00
£69.00 - £69.00
Current price £69.00

Jadeite Jade Filter

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Used for differentiating between natural and dyed green and lavender jade. Very effective tool in the use of separating the red, blue and green st...

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Original price £299.00 - Original price £299.00
Original price
£299.00
£299.00 - £299.00
Current price £299.00

Gemlogis LAPIS Rechargeable Multi Tester

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The LAPIS distinguishes the difference between diamond, moissanite, simulants and metal. It is the one and only tester you need that is easy to ope...

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Original price £349.00 - Original price £349.00
Original price
£349.00
£349.00 - £349.00
Current price £349.00

Gemlogis Mantis LCD 3 in 1 Diamond Tester

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MANTIS is the latest diamond tester that works independently or in conjunction with Gemlogis BLEU a colour stone meter with a touch-sensitive displ...

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Original price £795.00 - Original price £795.00
Original price
£795.00
£795.00 - £795.00
Current price £795.00

VISTA Natural Diamond Segregator

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The Gemlogis VISTA differentiates between earth mined and potential CVD / HTHP diamonds. It is the first hand-held device that is designed to test ...

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Original price £7,995.00 - Original price £7,995.00
Original price
£7,995.00
£7,995.00 - £7,995.00
Current price £7,995.00

DiaTrue Mobile V2 Diamond Screener

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DiaTrue mobile is portable and the fastest diamond detector on the market. It is designed to identify CVD and HPHT lab-grown diamonds and so, prote...

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Original price £1,795.00 - Original price £1,795.00
Original price
£1,795.00
£1,795.00 - £1,795.00
Current price £1,795.00

GEMMODUL Module 5 2/100

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Powerful lighting base and cold light source with high-end swivel joint for spectroscope optics.  Two alternately switchable and dimmable 100W hi...

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Original price £749.00 - Original price £749.00
Original price
£749.00
£749.00 - £749.00
Current price £749.00

MULTISPEC UV Lamp for Long-Wave & Short-Wave UV Fluorescence Tests

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Product information MULTI SPEC UV lamp LW / KW and darkrooms  UV lamp 2 x 4 watt UV fluorescent tubes, arranged in parallel UV longwave: High-int...

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