> these stones are guaranteed mined in canada. i don't know that debeers can
> guarantee that none of their stones are smuggled from siera leone, even by
> employing an imprint.
Isotopic abundancies fingerprint. It's a bitch to check, but essentially
impossible to forge (though you can synthesize such diamonds at a large
price premium (thus removing the incentive), they'd fail other fingerprint
This archive was generated by hypermail 2b29 : Fri Apr 27 2001 - 23:14:51 PDT