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Gemology Institute Of America (updated 2025-03-12)

GIA Gemological Laboratory by GIA [upl. by Zaob979]
Duration: 5:46
148.9K views | Sep 16, 2015
How To Read A GIA Diamond Certificate Part 1 [upl. by Chrisoula]
Duration: 4:29
90K views | Aug 3, 2018
GIA’s Professional Education by GIA [upl. by Ehrlich]
Duration: 5:38
60.9K views | Sep 16, 2015
Gems and Minerals at the Smithsonian [upl. by Penney]
Duration: 5:05
38.3K views | May 24, 2018
GemA Education How to use the refractometer [upl. by Gimpel493]
Duration: 9:48
28.4K views | Oct 29, 2020
Gemstones of The 12 Tribes of Israel [upl. by Zigrang]
Duration: 16:01
5.4K views | Dec 28, 2019
Blue Star Sapphire From Sri Lanka by GIA [upl. by Tillo]
Duration: 1:06
45.7K views | Jul 21, 2014
GemA Live Understanding Gemstone Species and Varieties [upl. by Freida]
Duration: 1:11:32
267.8K views | May 21, 2020
How to Read a GIA Grading Report Video by GIA [upl. by Ayikahs]
Duration: 3:24
58.2K views | Jul 21, 2014
Mining for Gemstones in Americas Backyard [upl. by Alrrats]
Duration: 3:44
120.9K views | Feb 28, 2019
The 1 factor in gemstone price [upl. by Anibur]
Duration: 10:34
27.6K views | Jan 3, 2020
5 Simple Gem Tests Anyone Can Do Unboxing [upl. by Ecnarwal]
Duration: 20:27
211.2K views | Mar 30, 2021
GemA Live Gems of the UK [upl. by Sedecram]
Duration: 1:09:39
30K views | Jul 6, 2020
Unboxing Gems of Michigan Gemstones Across America [upl. by Odareg]
Duration: 9:21
43.3K views | Jul 13, 2021
How to Classify a Lead Glass–Filled Ruby by GIA [upl. by Ahso]
Duration: 5:28
163.6K views | Jul 21, 2014
Diamond Manufacturing Process Step by step DUGEMOLOGY Uday S Dey [upl. by Donnell]
Duration: 15:06
4.1M views | Apr 3, 2019
4Cs of Diamond Quality Diamond Color Grading by GIA [upl. by Kus434]
Duration: 0:58
114.4K views | Jul 21, 2014
Gems of the Americas THROWBACK NOSTALGIC throwback nostalgia [upl. by Vallery]
Duration: 29:33
70.7K views | Jul 9, 2019
Price Difference between GIA amp IGI Certified Diamonds DUGEMOLOGY [upl. by Siger]
Duration: 11:14
162.2K views | Apr 17, 2021
How do you KNOW what a gem is Refractometer Tutorial [upl. by Nylaf]
Duration: 11:46
56.2K views | Mar 12, 2020
Unboxing the Gemstones of Montana Gems Across America [upl. by Oniliuqnart]
Duration: 7:13
67.9K views | Feb 9, 2021





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