GIA (Gemological Institute of America)
57 old videos with fewer than 5,000 views from this channel.
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4:15
GIA鑑定書の読み方
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4:23
如何选购钻石-GIA 4分钟版本 | GIA
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2:25
Brown Topaz Mexican Art Craft, Tucson 2011 by GIA
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0:59
GIA钻石颜色(Color)等级鉴定
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2:47
Fancy Color Diamonds and How Cutting Styles Can Boost Color by GIA
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1:52
Fancy Color Diamonds Hue, Tone and Saturation by GIA
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1:50
Jewelry Design & Technology (JDT): Nouveau Pendant Design Challenge | GIA
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2:14
Jewelry Design & Technology (JDT): Edo Japan Inspired Design Project | GIA
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3:48
From the Vault to the Rotunda
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28:59
Colombian Emerald Industry: Winds of Change | Andy Lucas | GIA at JCK
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1:53
Introduction to GIA for the Trade (Trailer)
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2:11
Introduction to GIA: Protecting Consumers
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3:18
Vincent Pardieu: Demand, Treatment and Mining
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14:58
An Ametrine's Journey from Mine to Market
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8:59
Wolfram Diener: UBM's Trade Shows in Asia
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4:39
Dave Bindra: A Colored Stone Dealer's Perspective
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4:22
Collaboration Between Zhaoyi and Master Bai
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11:46
A Visit to Zhaoyi's Filigree Art Museum
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2:32
Mining for Emerald
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2:55
Emeralds of Bahia
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2:47
Nova Era and Itabira
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3:02
Planning and Marking Overview
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4:20
Bruting
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5:13
Helium M Box