Diamond Testers

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A 1220
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Dual Tester (Sciencetech Instruments)

A complete instrument; can test diamond vs any kind of imitations, including moissanite.

Quick reading (just 1 second).

Metal touch signal and low battery indicator.

Pocket size: 16x4x2 cm

A 1200P
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Diamond Tester Pro (Sciencetech Instruments)

Automatic diamond tester which doesn’t need any calibration.

A buzz sound indicates the probe is touching metal.

Pocket size: 16x4x2 cm

A 1218
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Moissanite Tester (Sciencetech Instruments)

Detect moissanite vs diamonds.

Moissonite indicated with blinking red light and sound.

Pocket size: 16x4x2 cm

A 1201/A
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Diamond Selector II

Diamond tester with manual setting.

Featuring immediate reading, this tester can distinguish diamonds from all imitations, with exception for moissanite (for moissanite you will need to test the stone with a moissanite tester).

Metal contact warning. Low battery warning.

Operate with battery DC006P 9V (1pc).

Net weight: 106g. Comes with a leatherette cover.

A 1211
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Moissanite Tester

Electronic moissanite tester. With immediate reading it recognizes if the stone which is supposed to be diamond is a real diamond or a moissanite. Low battery warning. Operate with battery DC006P 9V.

Net weight: 106g. Comes with leatherette cover.

A 1213
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Set Diamond Selector II + Moissanite Tester

Set Diamond Selector II (A1201/A) + Moissanite Tester (A1211)

A 2000
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Gemlogis CIEL - 3 in 1 Tester

The ultimate thermal tester that distinguishes between diamond, moissanite and simulants.

* battery life: gemlogis rechargeable batteries last 8 hours of continuous usage. General alkaline batteries last 2.5 hours.

* weight: 63g

*comes in a compact package with metal stone rest and lanyard.

A 2001
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Gemlogis PISTACHIO - Color Stone Referential Meter

Designed to further expand the analog readings displayed on both CIEL and AZURE.

It provides an instant, simple way to distinguish diamond/moissanite as well as a variety of popular gemstones such as Sapphire, Topaz, Emeral and CZ.

It operates via an infrared connection with either CIEL or AZURE.

*battery life: Gemlogis rechargeable batteries last 200 hours of continuous usage. General alkaline batteries last 65 hours.

* weight: 273g

A 2002
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Gemlogis AZURE - Diamond and simulant tester

This tester can distinguish diamond/moissanite from a simulant.

(NB: moissanites will be read as diamonds)

*battery life: Gemlogis rechargeable batteries last 9 hours of continuous usage. General alkaline batteries last 3 hours.

* weight: 39g

A 1203P
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Presidium Gem Tester Plus

It allows to identify the most popular look-a-like colour stones.

Battery or AC operated, this instrument also works as diamond tester.

The colour stones that can be tested are:
* aquamarine vs blue topaz
* ruby vs spinel or garnet
* iolite vs sapphire
* citrine quartz vs topaz
* tanzanite vs sapphire
* turmaline vs emerald
* chrisophrase vs jadeite
* yellow sapphire vs topaz or citrine
* emerald, sapphire, tourmaline, spinel, iolite, jadeite, chrisophrase, aquamarine, tanzanite, amethyst, garnet from glass or plastic imitations.

Comes with A/C adapter.


A 1203PN: Probe pen (for replacement)

A 1206
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Presidium Multitester PMT III

The latest version of Presidium electronic testers.

It operates throught the analisis of the termal and electrical conductivity of the stone. It can recognize: diamonds, moissonites, common imitations.

With metal alert buzzer. With retractable tip for a safe test, and very thin tip (0.6mm) to allow test also on very small stones starting from 0.02ct.

Power: 3 AAA batteries.

Dimensions: 165x40x25mm.

Weight: 97g

A 1204
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Presidium Diamond Mate

Pocket size 160x30x25mm.

No waiting time between tests.

Low batteries indicator.

Metal detector - intermittent beep.

Mesured diamonds - continuous beep.

A 1208
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Presidium Moissanite Tester

Operates on 3 AAA size alkaline batteries.

Measured moissanite: continuos beep.

Low batteries indicator.

Pocket size 160x30x25mm.

Accessory: AC adaptor (not included).