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<p>[QUOTE=&quot;desertgem, post: 2859226, member: 15199&quot;]The TV article got this wrong:</p><p>&quot;The only difference, even under a microscope, is laboratory diamonds have their certificate number inscribed on the side.&quot;</p><p><br /></p><p>Really it is this:</p><p>&quot;<font size="5"><b> Just What Diamonds Have Serial Numbers?</b></font></p><p>Not all diamonds have serial numbers. In the US, only <a href="http://www.dmia.net/diamond-grade-mean/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.dmia.net/diamond-grade-mean/" rel="nofollow">diamonds that have been graded</a> by the Gemological Institute of America (GIA) carry an engraved serial number. The serial number is engraved into the diamond as part of the certification process, and matches the number on the diamond’s certificate.&nbsp; In other countries, there are similar grading and <a href="http://www.dmia.net/who-certifies-diamonds-and-how/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.dmia.net/who-certifies-diamonds-and-how/" rel="nofollow">certifying institutions</a> that certify diamonds.&quot;</p><p><a href="http://www.dmia.net/diamonds-serial-numbers-3-reasons-want-one/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.dmia.net/diamonds-serial-numbers-3-reasons-want-one/" rel="nofollow">http://www.dmia.net/diamonds-serial-numbers-3-reasons-want-one/</a></p><p><br /></p><p>The problem is that the process of adding A Fake identity number is easier and cheaper than trying too hard to fool experts.[/QUOTE]</p><p><br /></p>

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