Have you ever heard C.Dunaigre certificate?
- Thread starter phumv
- Start date
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- Apr 22, 2004
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- 38,364
A bit of discussion about the lab:
[URL='https://www.pricescope.com/community/threads/a-somewhat-frustrating-search-for-a-special-sapphire.198844/']https://www.pricescope.com/community/threads/a-somewhat-frustrating-search-for-a-special-sapphire.198844/[/URL]
Response from MollyMalone:
Although established 5+ years ago, C. Dunaigre Consulting does not seem to have a web site. But here's some info about Christian Dunaigre:
http://globalroyalties.wordpress.com/2010/06/26/c-dunaigre-consulting/
An example of a sapphire report of his:
http://www.rauantiques.com/images/pdf/29-8572%20Gemstone%20Report.pdf
and a web page showing how one of his reports compares to those issued by others, such as Gubelin:
http://lakhigems.com/index.php?route=information/information&information_id=7
[URL='https://www.pricescope.com/community/threads/a-somewhat-frustrating-search-for-a-special-sapphire.198844/']https://www.pricescope.com/community/threads/a-somewhat-frustrating-search-for-a-special-sapphire.198844/[/URL]
Response from MollyMalone:
Although established 5+ years ago, C. Dunaigre Consulting does not seem to have a web site. But here's some info about Christian Dunaigre:
http://globalroyalties.wordpress.com/2010/06/26/c-dunaigre-consulting/
An example of a sapphire report of his:
http://www.rauantiques.com/images/pdf/29-8572%20Gemstone%20Report.pdf
and a web page showing how one of his reports compares to those issued by others, such as Gubelin:
http://lakhigems.com/index.php?route=information/information&information_id=7
HI
These certs are gaining popularity - especially with New York dealers - as Mr Dunaigre visits from Switzerland for the week- and will have your stone back within 24 - 48 hours. This is much faster than submitting to the GIA or another lab - who usually take a couple of weeks...and it means they don't have to have all their stock out of commission in the process. Mr Dunaigre is apparently very respected - and previously he worked at Gübelin Gemological Laboratories in Switzerland as the lab supervisor. There are a few independent articles about him on the internet - but he doesn't seem to actually have a website, which is just plain weird in this day and age. That said, very reputable dealers use him, as do auction houses so he does have standing and his reports are seen as respectable in the trade.. I guess it will just take some time for it to trickle down to us, outside of the trade.
These certs are gaining popularity - especially with New York dealers - as Mr Dunaigre visits from Switzerland for the week- and will have your stone back within 24 - 48 hours. This is much faster than submitting to the GIA or another lab - who usually take a couple of weeks...and it means they don't have to have all their stock out of commission in the process. Mr Dunaigre is apparently very respected - and previously he worked at Gübelin Gemological Laboratories in Switzerland as the lab supervisor. There are a few independent articles about him on the internet - but he doesn't seem to actually have a website, which is just plain weird in this day and age. That said, very reputable dealers use him, as do auction houses so he does have standing and his reports are seen as respectable in the trade.. I guess it will just take some time for it to trickle down to us, outside of the trade.
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