Gia Gemological Institute Of America

Diamond shopping? Trust GIA 01:00
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4Cs of Diamond Quality: Diamond Cut Grading by GIA 01:25
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Red Gemstones: History, Lore and Gemology | GIA Knowledge Sessions Webinar Series 01:08:31
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How to Use the GIA iD100® 13:26
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GIA iD100® Gem Testing Device 02:13
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Comparing GIA And IGI Certified Diamonds 05:43
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Prima Jewelers Offers The Gemological Institute of America, or GIA, 00:51
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GIA’s Professional Education by GIA 05:38
GIA’s Professional Education by GIA GIA (Gemological Institute of America) 61,372 9 лет назад
A Comparison of Diamonds and Colored Stones | GIA Knowledge Sessions Webinar Series 01:26:52
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How to Read a GIA Grading Report Video by GIA 03:24
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GIA Gemological Laboratory by GIA 05:46
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OPALS and PEARLS @ GIA, Gemological Institute of America, Carlsbad, CA, 05/21/24, gems field trip 04:26
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How to Choose a Diamond: Four-Minute GIA Diamond Grading Guide by GIA 04:20
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Rough Diamonds: Natural Crystal Shapes & Surface Features | GIA Knowledge Sessions Webinar Series 01:05:12
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4Cs of Diamond Quality: Diamond Clarity Grading by GIA 01:24
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