Pagel-Theisen, Verena <br/><br/>
Diamond grading ABC 

 - 9th 
 - Belgium  Rubin & Sons :  2001 
<br/><br/><label>ISBN: </label>3980043460 
<br/><br/><label>Subjects--Topical Terms: </label>--Diamonds, --grading 
<br/><br/><label>Dewey Class. No.: </label>739.27