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Gemological Science (updated 2024-10-27)

Gemological Science International GSI LaboratoryGrown Diamonds [upl. by Ennayhs]
Duration: 3:58
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GSI at Continental Buying Group CBG Orlando 2017 [upl. by Mariam]
Duration: 0:27
113 weergaven | 28 jan. 2017
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Duration: 2:53
36,8K weergaven | 25 jul. 2016
Gemology Time Capsules Connecting Us Through History [upl. by Ahsasal434]
Duration: 27:10
315 weergaven | 26 jan. 2021
How To Choose The Perfect Diamond [upl. by Namlak499]
Duration: 2:02
28,3K weergaven | 23 dec. 2013
Gemological Science International GSI Cut Diamond Finish [upl. by Aikin133]
Duration: 0:57
160 weergaven | 22 jun. 2021
Inside Surats Booming LabGrown Diamond Manufacturing Secrets Revealed [upl. by Eelloh]
Duration: 10:34
154,7K weergaven | 3 weken geleden
Unboxing Tools for Identifying Gemstones [upl. by Darryn719]
Duration: 59:07
26,8K weergaven | 11 dec. 2018
Gemstones from the Sea GIA Knowledge Sessions Webinar Series [upl. by Ama666]
Duration: 1:01:32
5,7K weergaven | 8 jul. 2021
Understanding Diamond Clarity [upl. by Gun]
Duration: 47:58
39 weergaven | 1 maand geleden
MENGENAL DUMORTIERITE DARI INDONESIA [upl. by Birkett]
Duration: 4:36
4,8K weergaven | 4 jul. 2023
SEBAIK DAN SEBAGUS APA KUALITAS DARI GIOK ACEH IDOCRASE [upl. by Sachiko]
Duration: 4:43
26,9K weergaven | 26 sep. 2023
CARA CEPAT MEMBEDAKAN RUBY DAN SPINEL DENGAN MENGGUNAKAN SPECTROSCOPE [upl. by Shay888]
Duration: 3:06
4,9K weergaven | 10 maanden geleden
MENGENAL TSAVORITE GARNET HIJAU [upl. by Furtek]
Duration: 5:18
4,7K weergaven | 1 jaar geleden
HATI HATI DENGAN SYNTHETIC EMERALD YANG BANYAK TERSEBAR DI PASARAN [upl. by Aya]
Duration: 39:46
10K weergaven | 7 jun. 2022
MENILAI BLUE STAR SAPPHIRE YG BERKUALITAS [upl. by Anne-Marie]
Duration: 7:15
10,3K weergaven | 7 maanden geleden
MENGENAL BATU TURQUOISE PIRUS [upl. by Notfa131]
Duration: 2:31
30,1K weergaven | 7 feb. 2023
Meet the Grads James Roush [upl. by Polloch]
Duration:
10 weergaven | 1 maand geleden





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