D Uday Gemology Du Gemology

How to do Clarity Grading of Diamond | हीरे की Clarity Grading कैसे किया जाता है । DU-GEMOLOGY 11:19
How to do Clarity Grading of Diamond | हीरे की Clarity Grading कैसे किया जाता है । DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 163,398 4 года назад
Know why a diamond shines | हीरा क्यों चमकता है | DU GEMOLOGY 05:58
Know why a diamond shines | हीरा क्यों चमकता है | DU GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 4,404 11 месяцев назад
Identify Fluorescence of Diamond without using Ultra Violet light | DU-GEMOLOGY 05:52
Identify Fluorescence of Diamond without using Ultra Violet light | DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 23,388 5 лет назад
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-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 55,395 3 года назад
How to start a Diamond business with Du-Gemology training | हीरे के व्यापार का प्रशिक्षण सीखे 17:59
How to start a Diamond business with Du-Gemology training | हीरे के व्यापार का प्रशिक्षण सीखे D. Uday Gemology (DU GEMOLOGY) 81,860 1 год назад
How to Buy a Gemstone | राशि रतन खरीदते समय इन पांच बातो को ध्यान में रक्खें | 11:25
How to Buy a Gemstone | राशि रतन खरीदते समय इन पांच बातो को ध्यान में रक्खें | D. Uday Gemology (DU GEMOLOGY) 168,457 3 года назад
How to Identify Fracture-Filled Diamond | DU-GEMOLOGY 11:15
How to Identify Fracture-Filled Diamond | DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 50,759 4 года назад
7. Diamond weight referred with price chart | कैसे हीरे का वजन उसके कीमत को प्रभावित करता है | 33:35
7. Diamond weight referred with price chart | कैसे हीरे का वजन उसके कीमत को प्रभावित करता है | D. Uday Gemology (DU GEMOLOGY) 106,603 1 год назад
Diamond cutting and Polishing Process - Step by step | DU-GEMOLOGY | Uday S Dey 15:06
Diamond cutting and Polishing Process - Step by step | DU-GEMOLOGY | Uday S Dey D. Uday Gemology (DU GEMOLOGY) 4,047,317 5 лет назад
What is the difference between a Lab-Grown Diamond and a Natural Diamond ? 03:41
What is the difference between a Lab-Grown Diamond and a Natural Diamond ? D. Uday Gemology (DU GEMOLOGY) 36,501 1 год назад
How to identify Lab-Grown Diamond Part -2 | Synthetic diamond | CVD Diamond | HPHT Grown Diamond 22:45
How to identify Lab-Grown Diamond Part -2 | Synthetic diamond | CVD Diamond | HPHT Grown Diamond D. Uday Gemology (DU GEMOLOGY) 271,804 4 года назад
What is Polki Diamond | पोल्की हीरा क्या होता है | DU-GEMOLOGY 05:15
What is Polki Diamond | पोल्की हीरा क्या होता है | DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 85,088 4 года назад
Beware of this kind of Fake Gem Testing Reports | DU-GEMOLOGY 06:23
Beware of this kind of Fake Gem Testing Reports | DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 201,500 3 года назад
Natural v/s Treated stones | Natural और Treated Stones में क्या अंतर है| 05:48
Natural v/s Treated stones | Natural और Treated Stones में क्या अंतर है| D. Uday Gemology (DU GEMOLOGY) 159,178 5 лет назад
How to separate a CZ from Yellow sapphire | जर्कन और पुखराज को कैसे अलग करें | 05:43
How to separate a CZ from Yellow sapphire | जर्कन और पुखराज को कैसे अलग करें | D. Uday Gemology (DU GEMOLOGY) 69,413 2 года назад
The price difference between GIA & IGI Certified Diamonds | Du-Gemology 11:14
The price difference between GIA & IGI Certified Diamonds | Du-Gemology D. Uday Gemology (DU GEMOLOGY) 154,221 3 года назад
1. Introduction of diamond industry | How to evaluate the price of a Diamond | Diamond price chart 23:26
1. Introduction of diamond industry | How to evaluate the price of a Diamond | Diamond price chart D. Uday Gemology (DU GEMOLOGY) 41,633 1 год назад
How Laser-Inscription on Diamonds can make you Fool | DU-GEMOLOGY 07:27
How Laser-Inscription on Diamonds can make you Fool | DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 58,529 4 года назад
Difference between Zircon and Cubic Zirconia, which stone should be used for astrological purpose. 04:43
Difference between Zircon and Cubic Zirconia, which stone should be used for astrological purpose. D. Uday Gemology (DU GEMOLOGY) 38,791 2 года назад
What is Lab-Grown Diamond | CVD Diamond | Synthetic diamond | Moissanite | Fake Diamond |DU-GEMOLOGY 10:13
What is Lab-Grown Diamond | CVD Diamond | Synthetic diamond | Moissanite | Fake Diamond |DU-GEMOLOGY D. Uday Gemology (DU GEMOLOGY) 126,622 5 лет назад

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