| 26 Jun 2009 |
Pharima Pochanugoon |
E101 - Introduction to Gem & Gemology |
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| 26 Jun 2009 |
Thunwalai Jitsuwan |
E101 - Introduction to Gem & Gemology |
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| 26 Jun 2009 |
John W. Gilman |
E101 - Introduction to Gem & Gemology |
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| 26 Jun 2009 |
Virginie Sirecki |
E101 - Introduction to Gem & Gemology |
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| 26 Jun 2009 |
Ann Mueller |
E101 - Introduction to Gem & Gemology |
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| 22 Jun 2009 |
Steven Havenaar |
EWS03 - One - Day Diamond Short Course |
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| 18 Jun 2009 |
Suparp Kwan-on |
T503 - การร่างแบบเครื่องประดับ |
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| 18 Jun 2009 |
Suchitra Champi |
T503 - การร่างแบบเครื่องประดับ |
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| 17 Jun 2009 |
Moses Sarakikya |
E201 - Colored Stone Grading & Pricing |
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| 17 Jun 2009 |
Moses Sarakikya |
E103 - Diamond Grading & Pricing |
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| 11 Jun 2009 |
Brian Jeremy |
E103 - Diamond Grading & Pricing |
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| 09 Jun 2009 |
Songsiri Malaithong |
T501 - การออกแบบเครื่องประดับ |
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| 09 Jun 2009 |
Catherine Deymier |
E501 - Jewelry Design |
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| 09 Jun 2009 |
Kotchakorn Weantip |
T501 - การออกแบบเครื่องประดับ |
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| 09 Jun 2009 |
Rafael Aisner |
E501 - Jewelry Design |
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| 08 Jun 2009 |
Henry Lewis |
E201 - Colored Stone Grading & Pricing |
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| 08 Jun 2009 |
Tattana Bhakkiwaan |
E201 - Colored Stone Grading & Pricing |
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| 08 Jun 2009 |
Matt Crilly |
E201 - Colored Stone Grading & Pricing |
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| 08 Jun 2009 |
Mohammad Ezaz |
E201 - Colored Stone Grading & Pricing |
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| 08 Jun 2009 |
Catherine Deymier |
E103 - Diamond Grading & Pricing |
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| 21 May 2009 |
Nantharat Bunnag |
E301 - Synthetics & Treated Gem Identification |
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| 18 May 2009 |
Ubon Nelson |
E103 - Diamond Grading & Pricing |
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| 18 May 2009 |
Bhadresh Pandit |
E103 - Diamond Grading & Pricing |
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| 18 May 2009 |
Paul Raabe |
E103 - Diamond Grading & Pricing |
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