Photoluminescence Spectra of Emeralds from Colombia, Afghanistan, and Zambia by Brian Thompson. See Research Below
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 Post subject: GGTL newsletter ALERT - N° 5 March
PostPosted: Thu Mar 26, 2015 6:50 am 
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hola folks,

3 days ago i personally saw the stone at Thomas boot in the diamond show, Basel....


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 Post subject: Re: GGTL newsletter ALERT - N° 5 March
PostPosted: Thu Mar 26, 2015 10:58 pm 
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Good grief....who in a million years would individually test a parcel of 1.6mm diamonds. That is a the perfect con.


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 Post subject: Re: GGTL newsletter ALERT - N° 5 March
PostPosted: Thu Mar 26, 2015 11:53 pm 
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Disclosure is vital, but is the value much different in that size range? I really don't know, sorry if it's a dumb question.


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 Post subject: Re: GGTL newsletter ALERT - N° 5 March
PostPosted: Fri Mar 27, 2015 3:59 am 
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Scarodactyl wrote:
Disclosure is vital, but is the value much different in that size range? I really don't know, sorry if it's a dumb question.


that's not a dumb question atall........this seems to be an "as grown" so, no further HPHT treatment means no additional costs BUT, methink in that size the natural stuff is still cheaper..........actually HPHT is more scary than CVD in many ways. New improved and cheaper presses are producing bigger and bigger Xls in bunch per cycles.........for not to say about the melee...........

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 Post subject: Re: GGTL newsletter ALERT - N° 5 March
PostPosted: Fri Mar 27, 2015 10:24 am 
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Wow.


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