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 Post subject: CVD Testers?
PostPosted: Thu Apr 20, 2017 11:28 am 
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I am looking to buy a CVD tester. Locally I am getting a Presidium CVD tester. I want to know, how reliable this or these CVD testers are and how accurate they are? Mostly i will use loose solitaires for checking.


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 Post subject: Re: CVD Testers?
PostPosted: Sat Apr 22, 2017 5:45 am 
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Joined: Thu Feb 22, 2007 10:23 am
Posts: 923
Location: NYC
richi143 wrote:
I am looking to buy a CVD tester. Locally I am getting a Presidium CVD tester. I want to know, how reliable this or these CVD testers are and how accurate they are? Mostly i will use loose solitaires for checking.


they are not reliable at all,
for white series you can use a diamond type detector like SSEF Diamond Spotter http://www.ssef.ch/products/ssef-instru ... d-spotter/
that will separate typeI from typeII and type II needs further tests...
also if you want to be more professional and invest higher you can use GemmoRaman http://www.gemmoraman.com/

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Farshid Roshanravan


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 Post subject: Re: CVD Testers?
PostPosted: Sat Apr 22, 2017 12:54 pm 
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As Farshid suggested, go with a Gemmoraman:
http://www.gemmoraman.com/Articles/CVD.aspx


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