Gia Gemological Institute Of America

GIA iD100® Gem Testing Device 2:13
GIA iD100® Gem Testing Device GIA (Gemological Institute of America) 25,167 5 лет назад
Natural & Lab-Grown Diamonds: What's the Difference? 1:55
Natural & Lab-Grown Diamonds: What's the Difference? GIA (Gemological Institute of America) 5,125 6 месяцев назад
GIA’s Professional Education by GIA 5:38
GIA’s Professional Education by GIA GIA (Gemological Institute of America) 59,914 9 лет назад
Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series 1:12:13
Geology 101: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 106,778 4 года назад
How to Classify a Lead Glass–Filled Ruby by GIA 5:28
How to Classify a Lead Glass–Filled Ruby by GIA GIA (Gemological Institute of America) 159,138 10 лет назад
The Science Behind Fancy Color Diamonds | GIA Knowledge Sessions Webinar Series 58:55
The Science Behind Fancy Color Diamonds | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 13,578 4 года назад
Diamond Cut, Clarity and Color by GIA 1:55
Diamond Cut, Clarity and Color by GIA GIA (Gemological Institute of America) 68,455 10 лет назад
A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series 1:26:52
A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 45,868 4 года назад
Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 1:08:31
Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series GIA (Gemological Institute of America) 10,401 3 года назад
2ct D Flawless + How the GIA Cut Grading System Corellates with ASET Technology 15:23
2ct D Flawless + How the GIA Cut Grading System Corellates with ASET Technology Good Old Gold 27,637 11 лет назад
G&G Research & News: Largest North American Diamond 0:47
G&G Research & News: Largest North American Diamond GIA (Gemological Institute of America) 37,111 5 лет назад
GIA Gemological Research by GIA 5:29
GIA Gemological Research by GIA GIA (Gemological Institute of America) 10,696 9 лет назад
Understanding GIA Diamond Color Part 2: What Diamond Color Is 20:44
Understanding GIA Diamond Color Part 2: What Diamond Color Is Good Old Gold 475,883 13 лет назад
How to Use the GIA iD100® 13:26
How to Use the GIA iD100® GIA (Gemological Institute of America) 12,383 4 года назад
Aquamarine's Color Range by GIA 1:59
Aquamarine's Color Range by GIA GIA (Gemological Institute of America) 136,186 10 лет назад
Diamond shopping Trust GIA Gemological Institute of America 0:16
Diamond shopping Trust GIA Gemological Institute of America Events 7 1 год назад
OPALS @ GIA, Gemological Institute of America, Carlsbad - 05/21/24, field trip Poinsettia Elementary 1:34
OPALS @ GIA, Gemological Institute of America, Carlsbad - 05/21/24, field trip Poinsettia Elementary earthbornrocks museum 6 4 месяца назад
How to Choose a Diamond: Four-Minute GIA Diamond Grading Guide by GIA 4:20
How to Choose a Diamond: Four-Minute GIA Diamond Grading Guide by GIA GIA (Gemological Institute of America) 1,303,069 10 лет назад
How to Read a GIA Grading Report Video by GIA 3:24
How to Read a GIA Grading Report Video by GIA GIA (Gemological Institute of America) 53,008 10 лет назад
Introduction to GIA for the Trade (Full Version) 6:51
Introduction to GIA for the Trade (Full Version) GIA (Gemological Institute of America) 1,862 6 лет назад
Evan Smith (keynote): “The Formation of Type IIa and IIb Diamonds” 37:04
Evan Smith (keynote): “The Formation of Type IIa and IIb Diamonds” GIA (Gemological Institute of America) 7,019 5 лет назад
Gemstone Country of Origin Reporting | GIA Guest Lecture Series 50:44
Gemstone Country of Origin Reporting | GIA Guest Lecture Series GIA (Gemological Institute of America) 4,350 4 года назад
OPALS and PEARLS @ GIA, Gemological Institute of America, Carlsbad, CA, 05/21/24, gems field trip 4:26
OPALS and PEARLS @ GIA, Gemological Institute of America, Carlsbad, CA, 05/21/24, gems field trip earthbornrocks museum 6 4 месяца назад
Prima Jewelers Offers The Gemological Institute of America, or GIA, 0:51
Prima Jewelers Offers The Gemological Institute of America, or GIA, Peacock Jewelers 129 9 лет назад
Wim Vertriest: “GIA’s Field Gemology Program and Origin Determination” 22:24
Wim Vertriest: “GIA’s Field Gemology Program and Origin Determination” GIA (Gemological Institute of America) 2,547 5 лет назад
Corendum BLUE SAPPHIRE @ GIA, Gemological Institute of America, 05/21/24, Poinsettia Elementary trip 3:36
Corendum BLUE SAPPHIRE @ GIA, Gemological Institute of America, 05/21/24, Poinsettia Elementary trip earthbornrocks museum 7 4 месяца назад
Is the GIA program any good? DIAMOND GRADUATE 1:59
Is the GIA program any good? DIAMOND GRADUATE Allyours Jewels 33,560 8 лет назад

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