MY DIAMOND FOGS UP!

[OMG]

Help!!! is the FOG test a really accurate test?

 

[Skippy123]

Date: 8/25/2008 11:46:02 AM
Author:OMG
Help!!! is the FOG test a really accurate test?

Hi, how long does it stay foggy?

 

[OMG]

2-4 seconds. Depends on how hard a blow on it. If I put it in my mouth and huff on it.. it takes longer.

 

[OMG]

I think I am just seeing things!!!!! But now im getting paranoid.

 

[Lorelei]

Date: 8/25/2008 11:46:02 AM
Author:OMG
Help!!! is the FOG test a really accurate test?

I don''t know how accurate that test is, I am sure you are fine, but if you are worried get an appraiser to have a look!

 

[Skippy123]

Date: 8/25/2008 11:52:41 AM
Author: Lorelei

Date: 8/25/2008 11:46:02 AM
Author:OMG
Help!!! is the FOG test a really accurate test?

I don''t know how accurate that test is, I am sure you are fine, but if you are worried get an appraiser to have a look!

I agree, I just fogged my ring up for a few seconds. An appraiser could tell you.

 

[Lorelei]

I have sat there huffing and puffing on my diamond also in the past, sometimes the fog stayed and others it didn''t!

 

[Skippy123]

Date: 8/25/2008 11:56:48 AM
Author: Lorelei
I have sat there huffing and puffing on my diamond also in the past, sometimes the fog stayed and others it didn''t!

Hopefully an expert will chime in regarding the test. I steamed mine up pretty good.

 

[cdndman]

I''m in no ways an expert... however when I was reading about the fog test everything I read about it cautioned that it is only effective on clean diamonds. oil/dirt can effect the results. Is there any other reason to doubt that you purchased a real diamond?

 

[stone_seeker]

I dont get it - if a diamond stays foggy for 2 seconds that means its a fake?

 

[cdndman]

"Did you know you can perform the following simple test to see if a diamond is real or fake?

Put the potential diamond in front of your mouth and fog it like you would try to fog a mirror. If it stays fogged for 2-4 seconds, it’s a fake. A real diamond disperses the heat instantaneously so by the time you look at it, it has already cleared up.

However, there is a downfall to this test: oil and dirt on the stone can affect its reliability and the test is not accurate at all on doublets where the top of the stone is diamond and the bottom is cubic zirconia glued together.

This is a quick and dirty test that you can perform to find out if you in fact have a real diamond. However, it is recommended you take the potential diamond to a jewelry professional to verify its authenticity."

This is off one of the 1000's articles about fake diamonds and how to test your diamond.

 

[ericad]

I have performed this test on both diamonds and fakes and can tell you it''s completely unreliable. While fakes will stay fogged for several seconds, some diamonds I''ve done it on clear immediately, and others have stayed fogged for just as long as the fakes. And I''m 100% certain the diamonds I''ve done this with were, in fact, diamonds
It''s possible that the diamonds weren''t perfectly clean and that could explain it.

I would just run it over to a local jeweler and ask them to test it for you if you''re concerned.

 

[denverappraiser]

This is not a reliable test.

If you grind the stone into a fine powder and burn the power using a plasma torch, you can recognize diamonds by the absorption lines in you spectroscope....

If you don’t want to do that, any gemologist should be able to tell you with a quick look or by using a thermal tester. Most jewelers have someone on staff who is prepared tell you quickly and without damaging either your stone or your mounting and will be happy to do it for free if you ask and at least feign interest in what they have to sell.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

 

[stone_seeker]

Date: 8/25/2008 1:18:33 PM
Author: denverappraiser
This is not a reliable test.

If you grind the stone into a fine powder and burn the power using a plasma torch, you can recognize diamonds by the absorption lines in you spectroscope....

If you don’t want to do that, any gemologist should be able to tell you with a quick look or by using a thermal tester. Most jewelers have someone on staff who is prepared tell you quickly and without damaging either your stone or your mounting and will be happy to do it for free if you ask and at least feign interest in what they have to sell.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

Ok, I just put my stone into the coffee grinder and its now a fine powder. Looks nice. I dont have a plasma torch but I do have a match. What am I lookng for?

 

[ericad]

Too funny

 

[denverappraiser]

Date: 8/25/2008 1:30:07 PM
Author: stone_seeker

Ok, I just put my stone into the coffee grinder and its now a fine powder. Looks nice. I dont have a plasma torch but I do have a match. What am I lookng for?

A new coffee grinder.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

 

[Lorelei]

Date: 8/25/2008 2:07:03 PM
Author: denverappraiser

Date: 8/25/2008 1:30:07 PM
Author: stone_seeker

Ok, I just put my stone into the coffee grinder and its now a fine powder. Looks nice. I dont have a plasma torch but I do have a match. What am I lookng for?

A new coffee grinder.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

ROFLMAO!!!!

 

[OMG]

Thank you everyone for your helpful answers... now I just have to learn how to take pics

 

[Dancing Fire]

Date: 8/25/2008 12:06:25 PM
Author: stone_seeker
I dont get it - if a diamond stays foggy for 2 seconds that means its a fake?

nope, all that means is you have "bad breath"

 

[Ellen]

Date: 8/25/2008 1:18:33 PM
Author: denverappraiser
This is not a reliable test.

If you grind the stone into a fine powder and burn the power using a plasma torch, you can recognize diamonds by the absorption lines in you spectroscope....

If you don’t want to do that, any gemologist should be able to tell you with a quick look or by using a thermal tester. Most jewelers have someone on staff who is prepared tell you quickly and without damaging either your stone or your mounting and will be happy to do it for free if you ask and at least feign interest in what they have to sell.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

lol at stone seeker too.

 

[honey22]

Date: 8/25/2008 1:18:33 PM
Author: denverappraiser
This is not a reliable test.

If you grind the stone into a fine powder and burn the power using a plasma torch, you can recognize diamonds by the absorption lines in you spectroscope....

If you don’t want to do that, any gemologist should be able to tell you with a quick look or by using a thermal tester. Most jewelers have someone on staff who is prepared tell you quickly and without damaging either your stone or your mounting and will be happy to do it for free if you ask and at least feign interest in what they have to sell.

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Jewelry Appraisals in Denver

I simply can''t even listen to this!!!!!!!!!!!

 

[Richard Sherwood]

This test, which is "iffy" at best, works the best when a known diamond is held next to the test stone, and both are "huffed" at the same time.

The diamond will clear up substantially quicker than a cubic zirconia.

 

[Garry H (Cut Nut)]

Actually if it is a diamond and remains foggy for more than 2.13 seconds the humidity is higher than 73%.
A CZ will remain foggy for 3.97 seconds under the same conditions

 

[Garry H (Cut Nut)]

Of course i am joking

Unless of course the temperature is greater than 100F

 

[Richard Sherwood]

Strange sense of humor, those Australians.

 

[stone_seeker]

Date: 8/26/2008 2:02:34 AM
Author: Garry H (Cut Nut)
Of course i am joking

Unless of course the temperature is greater than 100F

The real test is bring the ring into a steam room or if none is available, wear it in a very hot shower. If the above theories are correct, then it should stay clear the entire time.