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The CIBJO Blue Books are a definitive set of standards for the grading, methodology and nomenclature standards for diamonds, coloured gemstones, pearls, precious metals, and recently, also for gemmological terminology and nomenclature.  435k v. 1 May 24, 2010, 7:21 AM Alex Barcados
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AGTA gemstone enhancement disclosure information  124k v. 1 May 24, 2010, 6:58 PM Alex Barcados
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Alex's letter as Past Chairman of the CJA to members outlining some of the CJA's accomplishments during the past year.  133k v. 1 Sep 4, 2010, 10:04 AM Alex Barcados
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The CIBJO Blue Books are a definitive set of standards for the grading, methodology and nomenclature standards for diamonds, coloured gemstones, pearls, precious metals, and recently, also for gemmological terminology and nomenclature.  154k v. 1 May 24, 2010, 7:20 AM Alex Barcados
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CIBJO Retailer Guide to Consumer Trust  998k v. 1 Feb 12, 2010, 9:42 PM Alex Barcados
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  3398k v. 1 Feb 12, 2010, 9:40 PM Alex Barcados
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CIBJO Emerald Guide (English)  684k v. 1 Apr 16, 2010, 2:24 PM Alex Barcados
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PANTONE ANNOUNCES FASHION COLOR REPORT SPRING 2011  3990k v. 1 Sep 18, 2010, 3:30 PM Alex Barcados
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GIA Thailand report on new glass treatment in some Mozambique rubies  9593k v. 1 May 23, 2010, 11:46 AM Alex Barcados
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The CIBJO Blue Books are a definitive set of standards for the grading, methodology and nomenclature standards for diamonds, coloured gemstones, pearls, precious metals, and recently, also for gemmological terminology and nomenclature.   939k v. 1 May 24, 2010, 7:27 AM Alex Barcados
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Laboratory Manual Harmonisation Committee (LMHC)  505k v. 1 May 22, 2010, 6:29 AM Alex Barcados
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Laboratory Manual Harmonisation Committee (LMHC)  1008k v. 1 May 22, 2010, 6:30 AM Alex Barcados
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Laboratory Manual Harmonisation Committee (LMHC)  153k v. 1 May 22, 2010, 6:28 AM Alex Barcados
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Laboratory Manual Harmonisation Committee (LMHC)  252k v. 1 May 22, 2010, 6:30 AM Alex Barcados
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Laboratory Manual Harmonisation Committee (LMHC)  174k v. 1 May 22, 2010, 6:28 AM Alex Barcados
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Pantone Spring 2010 Colour Report  2661k v. 2 Feb 9, 2010, 5:48 PM Alex Barcados
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CIBJO Ruby Report  891k v. 2 Feb 9, 2010, 5:50 PM Alex Barcados
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GIA Report on Lead Glass Filled Ruby-Glass Composites   2723k v. 1 Feb 18, 2012, 5:50 PM Alex Barcados
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Ruby-Glass Composite Stones  4775k v. 2 Feb 8, 2010, 9:04 PM Alex Barcados
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CIBJO Sapphire Report  937k v. 2 Feb 9, 2010, 5:49 PM Alex Barcados
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