Testing lang | Gems Mechanic
0:18
Testing lang | Gems Mechanic
571 viewsSep 12, 2016
FacebookGems Mechanic
Does the Presidium Gem Tester belong in YOUR lab?
7:39
Does the Presidium Gem Tester belong in YOUR lab?
62 views4 months ago
YouTubeGem Shepherd LLC
Diamonds Vs Quartz Crystals Free Gem Testing SRI MITHRA GEMS 9553688588
0:51
Diamonds Vs Quartz Crystals Free Gem Testing SRI MITHRA GEMS 9…
282 views4 months ago
YouTubeSri Mithra Gems
What Methods Do Jewelers Use To Spot Fake Gems In Repairs? - Jewelry Market Spotlight
3:32
What Methods Do Jewelers Use To Spot Fake Gems In Repairs? - Jew…
3 months ago
YouTubeJewelry Market Spotlight
BEWARE OF FAKE CERTIFICATES | CERTIFIED GEMSTONE ARE FAKE TOO | FAKE GEM TESTING LABORATORY SCAM
BEWARE OF FAKE CERTIFICATES | CERTIFIED GEMSTONE ARE FAK…
88.7K viewsOct 22, 2023
YouTubeRatnaKamal Gems
Gem Identification - Refractometer Basic Use
Gem Identification - Refractometer Basic Use
84.5K viewsMay 27, 2014
YouTubeAwaken Crystals
Genomic Education Module (GEM): Cytogenetic Tests
Genomic Education Module (GEM): Cytogenetic Tests
21.4K viewsFeb 13, 2018
YouTubeUC Davis MIND Institute
12:01
Gem Tools: Refractometer
52.2K viewsMay 18, 2021
YouTubeGemstones
2:13
GIA iD100® Gem Testing Device
27.7K viewsSep 4, 2019
YouTubeGIA (Gemological Institute of America)
5:46
GIA Gemological Laboratory by GIA
150.8K viewsSep 16, 2015
YouTubeGIA (Gemological Institute of America)
7:27
Fluorescent Diamonds and Emeralds
62K viewsMar 16, 2020
YouTubeAustin Moore
8:30
Gem Identification - Polariscope Basic Use
86K viewsMay 16, 2014
YouTubeAwaken Crystals
10:34
Unboxing Tools for Identifying Gemstones
27.9K viewsDec 11, 2018
YouTubeGemstones
3:25
Identify 5 different Rubies
264.8K viewsMar 20, 2018
YouTubeAIGS Thailand
5:20
Gem Identification - Mohs Hardness Test
117K viewsMay 5, 2014
YouTubeAwaken Crystals
2:52
How To Identify Valuable Gemstones by Dr. Lori
319.5K viewsOct 6, 2013
YouTubeDr. Lori
6:37
Diamond Testing: Diamond, Sapphire and Ruby Ring
208.6K viewsSep 9, 2010
YouTubeMrWellbid
16:53
How to Identify Gemstones & Minerals: Specific Gravity
76.8K viewsJul 5, 2017
YouTubeMoreGems.com
3:24
How to Read a GIA Grading Report Video by GIA
80.9K viewsJul 21, 2014
YouTubeGIA (Gemological Institute of America)
18:24
Presidium Gem Tester II (PGT II) - Testing Emerald, Diamond, Sapph…
225.1K viewsNov 27, 2018
YouTubeTexas Gal Treasures
2:34
How to check Real Ruby Gemstone
143.4K viewsSep 27, 2019
YouTubeAakash Maheshwari
1:14
Presidium Gem Tester II (PGT II) - Assisted Thermal Calibration
26.1K viewsSep 7, 2020
YouTubePresidium Instruments
8:31
How To Spot Fake Diamonds? (Diamond Authenticity Test)
1.6M viewsJun 1, 2018
YouTubeAussie Chemist
10:49
4 Ways to Identify a Natural Diamond vs. Lab-Grown Diamond …
28.8K viewsJul 31, 2021
YouTubeFire & Brilliance
14:16
HOW DO YOU drill a gemstone – Tutorial l Gem Collectors
205.9K viewsJul 23, 2018
YouTubeGem Collectors with Shawn l Gem Shopping N…
3:02
How to Tell if Diamonds are Real: A Complete Guide
248.2K viewsDec 20, 2018
YouTubeCar Parts
5:47
How To Test Jade Using UV Light
47.6K viewsDec 10, 2019
YouTubecor gems
4:20
How to Choose a Diamond: Four-Minute GIA Diamond Grading Guid…
1.4M viewsJul 21, 2014
YouTubeGIA (Gemological Institute of America)
1:36
ALEXANDRITE DIAMOND GLASS CUT TEST - WONDERS OF CREAT…
128.9K viewsSep 29, 2012
YouTubeNick&Elja
3:26
MINERALS for Kids - Classification and Uses - Science
545.7K viewsApr 22, 2021
YouTubeSmile and Learn - English
See more videos
Static thumbnail place holder