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Old 04-06-2006, 05:08 PM
SouthernGems SouthernGems is offline
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Read all about this here *ttp://www.dendritics.com/scales/synthetic-diamonds-final-report.asp

In conclusion, some synthetic diamonds today are so good that they cannot easily be separated from the natural ones:

Quote:
The main physical features of synthetic diamond have been compared and contrasted with those of natural diamond. Several possible tests were proposed and the experimental techniques required briefly described.

No simple test is available which can distinguish all synthetics from naturals. A reliable identification can be achieved by combining the results of several of the following relatively simple tests:
colour zoning,
internal graining,
‘clouds’ of pinpoint inclusions, some in the form of 'curved stringers' and other inclusions i.e. flux
strain patterns,
dendritic surface markings,
UV fluorescence,
magnetism (possibly),
optical spectrum.

Definitive tests involve the use of the following specialized laboratory equipment:

IR and UV spectrometers,
electron microscope,
X-ray diffraction unit,
SQUID magnetometer.
Last edited by Allegra Cole : 08-11-2006 at 12:16 PM. Reason: no URL linking Please!!!
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Old 04-06-2006, 06:07 PM
jewelbox jewelbox is offline
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Not a big problem from a gem quality pov because very few gem quality synthetic diamonds have been produced, their cost being extremely high. Some of them are housed at the Smithsonian Institute in Washington. Unless one is invloved in their production, the chances of coming across a specimen are slim.
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Old 04-07-2006, 07:20 AM
ChrisDTA ChrisDTA is offline
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So we shouldn't get worried that the market will be flooded with false rubbish, eh, jewelbox?
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Old 04-13-2006, 11:02 PM
apoorvarajendra apoorvarajendra is offline
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I agree that there won't be many synthetics in the market...
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Old 04-13-2006, 11:35 PM
geneu geneu is offline
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Quote:
Originally Posted by jewelbox
Not a big problem from a gem quality pov because very few gem quality synthetic diamonds have been produced, their cost being extremely high. Some of them are housed at the Smithsonian Institute in Washington. Unless one is invloved in their production, the chances of coming across a specimen are slim.
in the future i think that the production price will decrease a lot
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Old 04-15-2006, 05:37 AM
ku@s1 ku@s1 is offline
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hi, thanks for sending the information about synthetic diamonds in terms of chemical anatomy.
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Old 08-18-2006, 06:14 AM
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Emily Emily is offline
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Quote:
Definitive tests involve the use of the following specialized laboratory equipment:

IR and UV spectrometers,
electron microscope,
X-ray diffraction unit,
SQUID magnetometer.
So the best thing to do is to find a professional jeweler or to find a laboratory in order to perform all these tests. That's what you mean? It's nice to have all these information but I don't think people like us will be able to do that because I don't even have an IR and UV spectrometers at home.
By the way IR stands for Infrared but what does UV stands for? Ultra violet? Am I right?
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Old 08-18-2006, 06:23 AM
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Grandiose Grandiose is offline
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You have mentioned that there are near to no difference between the two, so if I have understood the article well then there is no use to differentiate them since they are so similar thus the synthetic diamonds can replace the real ones without any problem, meaning that there is no additional flaws in the synthetic ones!
If this is true then if ever there is no more diamond mines available then this would be a good option! Diamonds are already expensive so it will not change much!
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Old 08-18-2006, 06:33 AM
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Well grandiose, don't forget that there are loads of jewelers who sell their fake diamond at a very expensive price. I can say that all these experiments are very useful to us because I don't really want to spend all my money in synthetic diamonds while I really want to have real ones. So the best way is to proceed with all experiments that can be done in order to differentiate real from fake ones.
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Old 08-18-2006, 06:33 AM
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ALIEN ALIEN is offline
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Quote:
Originally Posted by Grandiose
You have mentioned that there are near to no difference between the two, so if I have understood the article well then there is no use to differentiate them since they are so similar thus the synthetic diamonds can replace the real ones without any problem, meaning that there is no additional flaws in the synthetic ones!
If this is true then if ever there is no more diamond mines available then this would be a good option! Diamonds are already expensive so it will not change much!
yeah! grandiose is right! why should we go and kill ourselves over the genuine diamonds when the synthetic diamonds are so similar? but one thing i can't really grasp here is this: southerngems wrote as title "synthetic diamonds and NOT cz"
does this mean that synthethic diamonds have nothing to do with cubic zirconia? cubic zirconia is not a type of synthetic diamond?
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