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Presidium DiamondMate-A

The Presidium DiamondMate-A is a thermal conductivity tester that separates all known simulants (except moissanite*) from diamonds. The test results a..

$120.00 Ex Tax: $120.00

Presidium Gemstone Tester

a light and portable instrument that instantly identifies diamonds and most colored gemstones based on thermal properties ..

$245.00 Ex Tax: $245.00

Presidium Digital Gauge

Presidium Dial Gauge Accurcy : 0.01 mm Measure range: 23 mm     ..

$126.00 Ex Tax: $126.00

Presidium Duo Tester

The only gemological instrument in the industry that tests gemstones based on both thermal and reflectivity properties.Provides the user with two p..

$393.00 Ex Tax: $393.00

Presidium Moissanite Tester PMT

  The Presidium Moissanite Tester uses an electrical conductivity test to positively identify moissanite. When this tester touches moissanite, a..

$125.00 Ex Tax: $125.00

Presidium Digital Gauge

When you measure the diameter of a round diamond, a button on the gauge converts the display to caratweight.  Accuracy:0.01mm  Measure ..

$267.00 Ex Tax: $267.00

Presidium Gem Indicator

It can test up to 31 different types of colored gems based on their thermal conductivity and features a color-input function that allows users to se..

$293.00 Ex Tax: $293.00

Presidium Multi Tester

The Presidium Mulit Tester III has been developed to distinguish between diamonds and moissanite using the combined principles of Thermal and Electric..

$240.00 Ex Tax: $240.00

Presidium Adamas Diamond and Moissanite Tester

The Presidium Adamas distinguishes diamonds from moissanite,CZ and other impostors and is the first tester in the workd to feature replaceable probe t..

$341.00 Ex Tax: $341.00

Presidium Gemstone Computer Gauge

Presidium Gemstone Computer Gauge This instrument estimates the weight and identies gemstones with much greater precision, incl. CD-Rom, direct ca..

$311.00 Ex Tax: $311.00

Presidium Refractive Index Meter II

Reflectance tester for diamonds,moissanites and gemstones. Identifies diamonds,moissanites and gemstones via its Refractive Index (RI), 1.0000 to 3.0..

$310.00 Ex Tax: $310.00

Presidium CVD测试仪

      快速测试采用高温高压处理的HPHT 或化学气相沉积法合成钻石(CVD)。 可筛选0.1-10克拉的钻石,支持裸石 以及成品裸石饰品样本的测试。 可筛选钻石颜色范围:D到J 可筛选钻石大小范围:0.1到10克拉 ..

$622.00 Ex Tax: $622.00