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Gemstone Grading (updated 2024-10-18)

From Novice to Expert Advancing in Feroza Stone Grading [upl. by Mcmillan]
Duration: 17:24
966 weergaven | 1 maand geleden
What is stone grading for body jewelry shorts [upl. by Eema]
Duration: 2:29
62 weergaven | 3 okt. 2023
GCAL 8X Video [upl. by Lertnek]
Duration: 1:10
533,7K weergaven | 11 jun. 2021
FAKE Gemstone Grading Lab [upl. by Ahseina]
Duration: 0:33
216,5K weergaven | 24 jun. 2023
Benitoite Gemstone Gemstones TV [upl. by Berner323]
Duration: 4:56
97 weergaven | 6 maanden geleden
Huge Rocks Jade Stone Gemstone aquamarine gold diamonds [upl. by Benil]
Duration: 0:12
476 weergaven | 1 maand geleden
Digital grading systems ColourWise and Gemewizard [upl. by Hazeefah648]
Duration: 0:47
400 weergaven | 24 aug. 2021
Rough Crystal Identification [upl. by Jenne308]
Duration: 0:22
37 weergaven | 4 maanden geleden
SGL Corporate AV [upl. by Uria]
Duration: 2:08
4,2K weergaven | 2 maanden geleden
Finding the perfect Gem Quality Grading Aquamarine [upl. by Azitram]
Duration: 2:46
5,6K weergaven | 14 jun. 2017
How to detect synthetic spinel from natural spinels [upl. by Koslo]
Duration: 1:20
25,7K weergaven | 31 okt. 2014
Color grading of diamonds [upl. by Fredrick567]
Duration: 0:50
24,6K weergaven | 21 jun. 2010
Oregon Sunstone Gemstone Grading System [upl. by Wrdna698]
Duration: 8:37
79 weergaven | 1 maand geleden
Aquamarine Gemstone Color Grading Mine run [upl. by Rubens]
Duration: 3:25
447 weergaven | 3 maanden geleden
Bead addict bead jewelrymaking jewellerydesign jewelry [upl. by Notsrik]
Duration: 0:18
573 weergaven | 1 maand geleden



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