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Gemology (updated 2025-03-13)

Gem Tools Refractometer [upl. by Dnalram]
Duration: 12:01
47.2K views | May 18, 2021
GIA Gemological Laboratory by GIA [upl. by Buller]
Duration: 5:46
148.9K views | Sep 16, 2015
How To Read A GIA Diamond Certificate Part 1 [upl. by Tteltrab]
Duration: 4:29
90K views | Aug 3, 2018
How Do Gemstones Form [upl. by Karb]
Duration: 7:32
279.5K views | Feb 17, 2017
What is a Polariscope [upl. by Abran]
Duration: 1:41
10.1K views | Feb 6, 2020
Grateful Dead China Cat Sunflower I Know You Rider 5372 [upl. by Schwing]
Duration: 10:36
9M views | Jul 25, 2011
GemA Education How to use the refractometer [upl. by Euqinomod]
Duration: 9:48
28.4K views | Oct 29, 2020
Geology 1 The Science of Geology [upl. by Eislek405]
Duration: 40:28
681.1K views | Oct 30, 2015
Gemstones Formation how do gemstone form [upl. by Acebber875]
Duration: 1:41
17.1K views | Jul 31, 2019
GemA Live Understanding Gemstone Species and Varieties [upl. by Rellek]
Duration: 1:11:32
267.8K views | May 21, 2020
How to check Real Ruby Gemstone [upl. by Zemaj353]
Duration: 2:34
135.1K views | Sep 27, 2019
The 1 factor in gemstone price [upl. by Murdoch777]
Duration: 10:34
27.6K views | Jan 3, 2020
5 Simple Gem Tests Anyone Can Do Unboxing [upl. by Etteraj]
Duration: 20:27
211.2K views | Mar 30, 2021
How to Classify a Lead Glass–Filled Ruby by GIA [upl. by Gnov378]
Duration: 5:28
163.6K views | Jul 21, 2014
Diamond Manufacturing Process Step by step DUGEMOLOGY Uday S Dey [upl. by Farron]
Duration: 15:06
4.1M views | Apr 3, 2019
4Cs of Diamond Quality Diamond Cut Grading by GIA [upl. by Karb273]
Duration: 1:25
62.8K views | Jul 21, 2014
4Cs of Diamond Quality Diamond Color Grading by GIA [upl. by Noma]
Duration: 0:58
114.4K views | Jul 21, 2014
Gems of the Americas THROWBACK NOSTALGIC throwback nostalgia [upl. by Duntson]
Duration: 29:33
70.7K views | Jul 9, 2019
Price Difference between GIA amp IGI Certified Diamonds DUGEMOLOGY [upl. by Cardwell19]
Duration: 11:14
162.2K views | Apr 17, 2021
Science of Gems The Science Kids Chemistry 6 [upl. by Surazal]
Duration: 6:29
13.3K views | Jul 10, 2016
How do you KNOW what a gem is Refractometer Tutorial [upl. by Reich935]
Duration: 11:46
56.2K views | Mar 12, 2020
How I Became A Gemologist 3 Gemologists Unbox Their Stories [upl. by Erbua]
Duration: 18:26
30.5K views | Jan 12, 2021
The Oregon Sunstone Story from the International School of Gemology [upl. by Renata975]
Duration: 15:26
69.4K views | Jan 25, 2015





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