Hearts and Arrows Diamond Education

Grading Standards By Master Diamond Cutter Brian Gavin

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Japan Grading

CGL, AGT Zenhokyo labs – Japan late 90’s

Source: http://www.agt.jp/subreport/index.html

True Hearts and Arrows

True Hearts and Arrows : CGL, AGT Zenhokyo labs – Japan late 90’s

Hearts Which Do Not Make It



Hearts which do not make it : CGL, AGT Zenhokyo labs – Japan late 90’s
Hearts which do not make it 2 : CGL, AGT Zenhokyo labs – Japan late 90’s

Arrows Which Do Not Make It



Arrows which do not make it : CGL, AGT Zenhokyo labs – Japan late 90’s

AGT LABS, Japan – Hearts and Arrows Report



AGT LABS, Japan - Hearts and Arrows Report

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Based on the research of Brian Gavin, from 1997 - 2010 ©
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