Последние добавленные видео:
Gemtester
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6 years ago
214786 6 years ago 18:24Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapphire, Ruby, Nephrite
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2 years ago
18819 2 years ago 2:45testing if a “gemstone” is REAL (presidium gem tester 2) review
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4 years ago
22985 4 years ago 1:14Presidium Gem Tester II (PGT II) - Assisted Thermal Calibration
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3 years ago
3904 3 years ago 4:37HOW TO Calibrate the Presidium Gem Tester II
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5 years ago
18127 5 years ago 11:51Presidium Gem Tester II Review and how to use it testing stones at home
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4 years ago
5479 4 years ago 1:48Presidium Gem Tester II (PGT II) - Intro & Powering on
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4 months ago
2140 4 months ago 29:27The Presidium II Gem Tester is a waste of money. Here's why.
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4 years ago
2514 4 years ago 19:35HOW TO use the Presidium Gem Tester II
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3 years ago
6320 3 years ago 2:58How to Calibrate Presidium Gem Tester ii (PGT II) | Calibration Repair at Home
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4 years ago
18830 4 years ago 20:06Product Review Presidium Gem Tester 2, Testing Precious Stones
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2 years ago
2710 2 years ago 16:40A NEW TOOL!!! Unboxing & Gem Stone Testing: Presidium Instruments Gem Tester II
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3 years ago
18737 3 years ago 15:57Presidium Gem Tester II (PGT II) Testing Diamond, Sapphire, Ruby, Amethyst, and Calibrating
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4 years ago
22308 4 years ago 1:12Presidium Gem Tester II (PGT II) - Performing a test and Reading Results
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1 year ago
709 1 year ago 16:15Presidium Gem Tester II Unboxing What should be in the box, calibration, testing-- quirks and all!
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4 years ago
6399 4 years ago 29:56Testing jewelry using my Presidium Gem Tester II
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3 years ago
22685 3 years ago 1:50Presidium Gem Tester II - Assisted Thermal Calibration (For #PTG111425 and after)