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This instrument does both tests - thermal conductivity for diamond (a conventional diamond tester) and electrical conductivity for moissanite.... |
$309.95
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Portable thermal-conductivity unit in black housing, intended solely for differentiation between natural diamond, Cubic Zirconia, and common diamond... |
$139.95
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Ceres Dual XL Plus Diamond and Moissanite Tester. State-Of-The-Art Diamond and Moissanite Tester. The Ceres Dual XL is the leading diamond and... |
$399.95
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The Presidium Multi Tester (PMuT) utilizes the combine principles of thermal and electrical conductivity. The measuring probes together with the... |
$499.95
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Is it a Diamond? Ruby or Garnet? Sapphire or Tanzanite? Emerald or Jadeite? The Presidium Gem Tester / Colour Stone Estimator provides a quick, easy,... |
$389.95
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Cost effective way to accurately measure gemstones; delivers millimeter read-out with instant carat conversion. One year warranty. Easy to use, easy... |
$279.95
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Computes weight of diamond without removing stone from mounting. Width and depth are measured with caliper and compared with measurements in table.... |
$59.95
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Replacement book for Jo-Di Diamond Gauge. |
$28.95
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The GemPro Refractometer is the professional quality refractometer of choice used by gemologists worldwide. It features a large, easy viewing lens... |
$795.95
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GemPro (R.I.) Refractive Index Liquid - Series M1.80 certified R.I. liquid, 10 g. |
$59.95
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This handheld gemological tool shows whether or not a gemstone is dichroic (reflects 2 colours) and is helpful in gemstone identification. Our... |
$129.95
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This portable gemological tool visually shows if a gemstone is doubly or singularly refractive. It is also used for identifying moissanite and... |
$395.95
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Presidium 110 VAC to 4.4 VDC adapter is for use with all Presidium testers that can use an adapter. |
$24.95
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Folds to the size of a half dollar. Contains 4 discs. Measures round and baguette cuts from 1/100 to 2 ct. Made of aluminum - will not scratch. |
$6.95
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The holes in the gauge are used to measure stones, while the extensions are used to measure mountings. One side shows millimetres, the other side... |
$8.95
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Aluminum pocket gauge for measuring loose stones and settings ranging from .03 points to 4 carats. A birthstone chart is embossed on the reverse side. |
$10.95
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Contains 7 blades for measuring the most popular diamond shapes: round, baguette, square, pear and marquise stones. Stainless steel, high quality... |
$10.95
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DFL Darkfield Diamond View. The perfect way to determine whether diamonds have been fracture filled. Used with a Maglite mini flashlight, this fine... |
$99.95
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Baker Diamond Gauge. A versatile mounting and stone gauge. It has holes for measuring stones, and extensions for gauging mountings. Marked with carat... |
$15.95
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