Youtor
Gemological Science International (updated 2024-11-23)
![IGI School of Gemology diamond jewelry [upl. by Roseanne]](img.php?img=imgidDY0x3hKPyCo)
![Signets testing and verification process for certified natural diamonds [upl. by Ik]](img.php?img=imgidyxBX3F1_KKQ)
Duration: 1:45
956 views | 13 Feb 2023
956 views | 13 Feb 2023
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Duration: 1:05
99 views | 26 Apr 2018
99 views | 26 Apr 2018
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Duration: 2:19
322 views | 22 Jun 2021
322 views | 22 Jun 2021
![Gemological Science International GSI LaboratoryGrown Diamonds [upl. by Nonnad879]](img.php?img=imgidmGRvM02vT3Q)
Duration: 3:58
581 views | 2 months ago
581 views | 2 months ago
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![How To Know If Your Diamond Jewelry Is “Real” And Has Natural Diamonds [upl. by Nedarb]](img.php?img=imgidl-d5XgePvxA)
Duration: 2:21
1.7K views | 3 Jan 2016
1.7K views | 3 Jan 2016
![RJIF Talwarsons Anil Talwar Group Chandigarh AS Motiwala Mumbai Voylla on the Forum [upl. by Krischer264]](img.php?img=imgidgEYTj9ckezM)
Duration: 0:27
113 views | 25 Jan 2017
113 views | 25 Jan 2017
![GSI at Continental Buying Group CBG Orlando 2017 [upl. by Aarika]](img.php?img=imgidSo-W9WhAmRQ)
![Classical gemological tools [upl. by Adnylam]](img.php?img=imgidNUj6EQxg-eE)
![Gemological Science International GSI Cut Diamond Finish [upl. by Siger]](img.php?img=imgidGgYJjMOqJOA)
![L 52 E Corundum Secrets 🤷♂️😯 educationgemology inclusion sapphirekingdomgemology [upl. by Rednaxela315]](img.php?img=imgidnXDsWdvXPsI)
Duration: 11:20
25.9K views | 17 Mar 2011
25.9K views | 17 Mar 2011
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Duration: 4:36
28.5K views | 26 Sep 2023
28.5K views | 26 Sep 2023
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Duration: 3:33
8.6K views | 8 Aug 2023
8.6K views | 8 Aug 2023
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Duration: 3:59
10.5K views | 8 months ago
10.5K views | 8 months ago
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![AGTL Atharv Gem Testing Lab Gemstone Testing Lab Gemological Laboratory Bhopal MP India [upl. by Waltner486]](img.php?img=imgidewLISuJDuq8)
Duration: 5:11
29.5K views | 28 Feb 2023
29.5K views | 28 Feb 2023
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