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Gemology Courses (updated 2025-03-13)

Gem Tools Refractometer [upl. by Agnesse520]
Duration: 12:01
47.2K views | May 18, 2021
GIA Gemological Laboratory by GIA [upl. by Adidnere]
Duration: 5:46
148.9K views | Sep 16, 2015
How To Read A GIA Diamond Certificate Part 1 [upl. by Zashin485]
Duration: 4:29
90K views | Aug 3, 2018
How Do Gemstones Form [upl. by Dorrie]
Duration: 7:32
279.5K views | Feb 17, 2017
GIA’s Professional Education by GIA [upl. by Lahey]
Duration: 5:38
60.9K views | Sep 16, 2015
GemA Education How to use the refractometer [upl. by Nabois]
Duration: 9:48
28.4K views | Oct 29, 2020
Geology 1 The Science of Geology [upl. by Kalinda648]
Duration: 40:28
681.1K views | Oct 30, 2015
Gemstones Formation how do gemstone form [upl. by Atis]
Duration: 1:41
17.1K views | Jul 31, 2019
GemA Live Understanding Gemstone Species and Varieties [upl. by Ahsikit625]
Duration: 1:11:32
267.8K views | May 21, 2020
The 1 factor in gemstone price [upl. by Amalbergas]
Duration: 10:34
27.6K views | Jan 3, 2020
5 Simple Gem Tests Anyone Can Do Unboxing [upl. by Lenore]
Duration: 20:27
211.2K views | Mar 30, 2021
GemA Live Gems of the UK [upl. by Chitkara]
Duration: 1:09:39
30K views | Jul 6, 2020
How to Classify a Lead Glass–Filled Ruby by GIA [upl. by Bautista986]
Duration: 5:28
163.6K views | Jul 21, 2014
Diamond Manufacturing Process Step by step DUGEMOLOGY Uday S Dey [upl. by Anayhd910]
Duration: 15:06
4.1M views | Apr 3, 2019
4Cs of Diamond Quality Diamond Cut Grading by GIA [upl. by Ojimmas]
Duration: 1:25
62.8K views | Jul 21, 2014
4Cs of Diamond Quality Diamond Color Grading by GIA [upl. by Mattie772]
Duration: 0:58
114.4K views | Jul 21, 2014
Gems of the Americas THROWBACK NOSTALGIC throwback nostalgia [upl. by Bonis238]
Duration: 29:33
70.7K views | Jul 9, 2019
Price Difference between GIA amp IGI Certified Diamonds DUGEMOLOGY [upl. by Benedic171]
Duration: 11:14
162.2K views | Apr 17, 2021
Science of Gems The Science Kids Chemistry 6 [upl. by Gilliette309]
Duration: 6:29
13.3K views | Jul 10, 2016
How do you KNOW what a gem is Refractometer Tutorial [upl. by Aleina]
Duration: 11:46
56.2K views | Mar 12, 2020
Top 10 Free Certification Courses You Must Do In 2021 Eduonix [upl. by Gerk]
Duration: 10:25
62.4K views | Feb 10, 2021
How I Became A Gemologist 3 Gemologists Unbox Their Stories [upl. by Hibbs581]
Duration: 18:26
30.5K views | Jan 12, 2021
How LaserInscription on Diamonds can make you Fool DUGEMOLOGY [upl. by Pauwles]
Duration: 7:27
59.1K views | Mar 25, 2020
The Oregon Sunstone Story from the International School of Gemology [upl. by Aehcim]
Duration: 15:26
69.4K views | Jan 25, 2015





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