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This instrument does both tests - thermal conductivity for diamond (a conventional diamond tester) and electrical conductivity for moissanite.... |
$319.95
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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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Gemometrics GemPen Diamond Screener. Contact us to attend our free GemPen Tutorial and Demo on February 12th at Lacy West Supplies at 10:00 am and... |
$2,995.00
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Gemometrics GemPen Filter 4. The LW Filter 4 (in combination with Filter 1) helps the user to distinguish between a natural fluorescing diamond and... |
$395.95
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Presidium Gemstone Tester II.The Presidium Gem Tester II is based on the invention of Professor Julian Goldsmid from the University of New South... |
$439.95
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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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Refractive Index Liquid. 1.785 +/- 0.005. 2ml. |
$59.95
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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 your... |
$5.95
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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. |
$9.95
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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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Used to help determine whether certain red, blue and green stones are natural or synthetic. Can also be used for detecting synthetic blue Spinel and... |
$49.95
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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... |
$9.95
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Polariscope. Helps you identify gemstones by quickly and accurately identifying single or double refracting stones. Helps distinguish between natural... |
$439.95
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Gem Refractometer. Durable CZ Testing Prism Built-In Monochromatic LED Light Large Visual Field, Easy to Read. Comes with R.I. Liquid (1.785 +/-... |
$795.95
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Calcite Dichroscope. Excellent Iceland Spar.Black AppearanceBig Eyepiece.Leather Package. |
$99.95
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