Последние добавленные видео:
gemological-institute-of-america
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10 years ago
1370361 10 years ago 4:20How to Choose a Diamond: Four-Minute GIA Diamond Grading Guide by GIA
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6 years ago
117417 6 years ago 5:43Comparing GIA And IGI Certified Diamonds
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1 year ago
8 1 year ago 1:34OPALS @ GIA, Gemological Institute of America, Carlsbad - 05/21/24, field trip Poinsettia Elementary
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1 year ago
10 1 year ago 4:26OPALS and PEARLS @ GIA, Gemological Institute of America, Carlsbad, CA, 05/21/24, gems field trip
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1 year ago
8 1 year ago 3:36Corendum BLUE SAPPHIRE @ GIA, Gemological Institute of America, 05/21/24, Poinsettia Elementary trip
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17 years ago
4173 17 years ago 4:39Gemological Institute of America
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1 year ago
873 1 year ago 1:01GIA Versus GRA Grading Reports #gemology Room 39 Conspiracy 🐭💎🕵️♂️
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11 years ago
1204 11 years ago 1:15Gemological Institute of America
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3 years ago
5046 3 years ago 3:3290 Years of Discovery and Innovation