How to identify Gemstones with the help of Specific Gravity | DU-GEMOLOGY
19:13
How to identify Gemstones with the help of Specific Gravity | DU-GEM…
60K viewsDec 18, 2020
YouTubeDu Gemology (Institute of Gemology & Laborat…
Complete Gemology Course – The College of Gems
6:17
Complete Gemology Course – The College of Gems
1.6K viewsMay 11, 2020
YouTubeFree Online Gemological course
Gemology 101 - The Gemologist's Handbook
1:00
Gemology 101 - The Gemologist's Handbook
2.4K viewsSep 2, 2024
YouTubeGem and Mineral Exchange
Diamond Grading Essentials: ISG Journey Thru Gemology Online Classroom
41:44
Diamond Grading Essentials: ISG Journey Thru Gemology Online Cl…
8.5K viewsMar 15, 2023
YouTubeUnited States Gemological Institute
Gem Identification - Polariscope Basic Use
8:30
Gem Identification - Polariscope Basic Use
87.2K viewsMay 16, 2014
YouTubeAwaken Crystals
Learn how a Diamond is graded based on the 4 C's created by the Gemological Institute of America.
4:22
Learn how a Diamond is graded based on the 4 C's created by the …
86.7K viewsJan 27, 2009
YouTubeGabeC78
Gemology Course: Microscope Magic of Phenomenal Gems
5:29
Gemology Course: Microscope Magic of Phenomenal Gems
3.9K viewsJun 9, 2020
YouTubeIstituto di Gemmologia Genova - Gemology Inst…
13:21
Demystifying Gem Cut Styles
12.8K viewsMar 28, 2020
YouTubeGemology for Schmucks
1:19
gemology - understanding optic axis in gemstones
1.4K viewsJun 15, 2019
YouTubeSIIJ by SAWANSUKHA
Gem Identification - Refractometer Basic Use
85.1K viewsMay 27, 2014
YouTubeAwaken Crystals
1:11:32
Gem-A Live: Understanding Gemstone Species and Varieties
295.5K viewsMay 21, 2020
YouTubeGem-A
10:27
Understanding Gemstones and Gemmology: A Comprehensive A…
994 viewsJun 9, 2023
YouTubeJEWELLERYTRADE
1:10
Online Gemology Courses | Gemology Classes
4.5K viewsMay 11, 2020
YouTubeFree Online Gemological course
7:09
Gem-A education: How to use the polariscope
35.3K viewsJul 31, 2020
YouTubeGem-A
4:20
How to Choose a Diamond: Four-Minute GIA Diamond Grading Guid…
1.4M viewsJul 21, 2014
YouTubeGIA (Gemological Institute of America)
10:00
Describing Colour in Gemstones
17.5K viewsAug 20, 2013
YouTubeStarla Turner
7:32
How Do Gemstones Form?
287.2K viewsFeb 17, 2017
YouTubeGem Rock Auctions
What is gemology course?
268 viewsFeb 23, 2020
YouTubeOnline free gemology courses : Rachid HBACH…
14:12
How to Identify Rocks and Minerals and Gemstones with a Spectrosco…
89.3K viewsFeb 19, 2018
YouTubeCaver461
2:54
Online Gemology Classes
87 viewsAug 23, 2019
YouTubeOnline free gemology courses : Rachid HBACH…
1:51
Introduction to Gemology Course!
117 viewsSep 7, 2019
YouTubeافكار مشاريع مربحة في المغرب
What is Gemology? What is Gemologist
636 viewsSep 20, 2024
YouTubegemmology
Gemmology Training for Jewellery in Singapore - JDMIS
Mar 13, 2018
jdmis.edu.sg
18:51
How Gemstones Form From Sedimentary & Hydrothermal Proc…
22.3K viewsJun 11, 2023
YouTubeGEO GIRL
5:33
Gem-A education: How to use the 10x loupe
34.9K viewsMar 19, 2020
YouTubeGem-A
Gemology vs Jewellery Design: A guide to choosing your path
Jan 6, 2024
India TodayIndia Today Education Desk
14:32
Gemology free Course for all the lovers of Precious Stones
245 viewsMay 15, 2020
YouTubeFree Online Gemological course
11:46
How do you KNOW what a gem is? [Refractometer Tutorial]
71K viewsMar 12, 2020
YouTubeGemology for Schmucks
0:42
certificate course in gemology
177 viewsMay 11, 2020
YouTubeFree Online Gemological course
See more videos
Static thumbnail place holder