| 05 Jan 2009 |
Rafael Aisner |
E102 - Gem Identification |
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| 05 Jan 2009 |
Supamon Atthanukul |
T103 - การประเมินคุณภาพ ตีราคาเพชร |
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| 30 Dec 2008 |
Thitima Burptsmbi |
T501 - การออกแบบเครื่องประดับ |
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| 23 Dec 2008 |
Rabin Chot-udomphan |
T102 - การวิเคราะห์อัญมณี |
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| 23 Dec 2008 |
Olivier Louy |
E103 - Diamond Grading & Pricing |
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| 23 Dec 2008 |
Methida Urkarawa |
T102 - การวิเคราะห์อัญมณี |
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| 23 Dec 2008 |
Sonthaiya Dimsey |
E102 - Gem Identification |
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| 23 Dec 2008 |
Wilds Ross |
E103 - Diamond Grading & Pricing |
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| 23 Dec 2008 |
Talat Bilal |
E103 - Diamond Grading & Pricing |
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| 23 Dec 2008 |
Flavie Isatelle |
E103 - Diamond Grading & Pricing |
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| 22 Dec 2008 |
Bamsi Coloma |
E103 - Diamond Grading & Pricing |
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| 22 Dec 2008 |
Amir Hamzah Kamarul Bahrin |
E102 - Gem Identification |
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| 22 Dec 2008 |
Mikko Sorvaniemi |
E102 - Gem Identification |
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| 19 Dec 2008 |
Sansanee Songkiatthana |
E102 - Gem Identification |
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| 19 Dec 2008 |
Anthony Killick |
E501 - Jewelry Design |
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| 17 Dec 2008 |
Suwaporn Rujirakawin |
E501 - Jewelry Design |
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| 15 Dec 2008 |
Danielle Weinberg |
E602 - Understanding Basic Gemology Program |
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| 15 Dec 2008 |
Jeffrey Krasner |
E602 - Understanding Basic Gemology Program |
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| 15 Dec 2008 |
Jeffrey Krasner |
E602 - Understanding Basic Gemology Program |
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| 15 Dec 2008 |
Jeffrey Krasner |
E602 - Understanding Basic Gemology Program |
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| 20 Nov 2008 |
Flavie Isatelle |
E201 - Colored Stone Grading & Pricing |
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| 20 Nov 2008 |
Patson Shula Kambikambi |
E201 - Colored Stone Grading & Pricing |
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| 20 Nov 2008 |
Patrick Chibulu |
E201 - Colored Stone Grading & Pricing |
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| 20 Nov 2008 |
Wilds Ross |
E201 - Colored Stone Grading & Pricing |
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