Got Diamond Questions?
Our community of diamond experts are here to provide answers
Sign in to follow this  
Aimee Logsdon

A Few Questions Regarding Flourescence And Other Things

Recommended Posts

I had a horrible experience yesterday going to 2 local jewelers with 2 diamonds looking for settings and opinion about which diamond was better.

 

I'll attempt to post pics of both of them.

 

The one thing that stuck out to me is that one jeweler showed me both diamonds under the black light. One diamond had a strong blue fluorescence (as was shown in the report) but he said since it was more in the middle and not distributed evenly that is a sign of a heat treated diamond. Is that true?

 

Also, the second diamond which I thought had faint fluorescence still showed up as being fluorescent but it was more evenly spread so he said it was less likely color treated but recommended that we get GIA paperwork on it before we buy it.

 

I have more but no time to type right now. So is that true about heat treating and fluorescence?

Share this post


Link to post
Share on other sites

As far as I know, no, it's not true. Or at least not to the extent that you could easily recognise it without a microscope and a lot of other equipment. In any case, any decent lab will test for treatments in a way that is significantly more reliable; I would simply not buy a diamond of the size and price you are considering without a GIA or AGS report unless you really really trust the seller.


Davide - Specialised Consumer Information and Assistance,
Diamonds by Lauren (http://www.diamondsbylauren.com)
davide@diamondsbylauren.com

Share this post


Link to post
Share on other sites

<sigh>. Ok. The one with the questionable fluorescence was from Lebish. The one that he said showed fluorescence even though it was supposed to be faint was from David. I would have felt more comfortable if I could have seen some non-fluorescent diamonds under the light to see the difference between what I had and what he claimed was non-fluorescent.

 

I'll post some pics of the diamonds if it will let me. I didn't get a Gia report from David, only from Lebish. Should I send it back for one? The jeweler claimed I should. He just in general made me feel bad about  the diamonds, like they weren't very good. No one wants to sell you a simple setting when you didn't purchase the diamond from them. It seems like they are a bunch of used car salesmen and there's no one I can trust.

post-135409-0-20078500-1454609842_thumb.jpg

post-135409-0-60081600-1454609848_thumb.jpg

Edited by Aimee Logsdon

Share this post


Link to post
Share on other sites

"faint" by definition will show some fluorescent activity, however it's typically so... faint that even the colour isn't going to be easily discernible (since most UV sources also have a visible component, it will be unclear how much of the "light" you see coming from the diamond is fluorescence and how much is light from the source).

 

David will get you a GIA report if the diamond hasn't got one, though it may take a bit of time and the diamond to be returned if he hasn't had it graded beforehand. Very often though (personal experience!) he simply forgets to send you the report and some dealers (not DBL) will not send originals on until the purchase is final - simply because paperwork tends to get lost. In any case, ask him about it; it may simply be a question of emailing a scan.


Davide - Specialised Consumer Information and Assistance,
Diamonds by Lauren (http://www.diamondsbylauren.com)
davide@diamondsbylauren.com

Share this post


Link to post
Share on other sites

I'm going to email him. One thing I think both my BF and I agree on now is that whoever we buy the diamond from we'd like to do the setting b/c they aren't going to try to sell us a big blingy ring when I want something simple.

 

Those jewelers last night wouldn't listen to me! I kept saying I want something simple. Then he recommends a double halo.

Share this post


Link to post
Share on other sites

wait, what did you say? I was not listening:)

 

 

Very good saying Davide!

 

Re GIA- in some cases we purchase stones form the cutter pretty much as they come off the wheel- before visiting GIA. Particularly with lower priced stones- like Brown Diamonds.

If a GIA report is requested, it is possible but there will be a charge for it.

 

In terms of getting opinions about stones you are considering from jewelers who are trying to sell you things: The chances of impartiality are slim- and they may have limited experience with Fancy Colored Diamonds. Even if you go to an appraiser, you'd really need to vet them to see what their knowledge is on such a unique item.

It's a shame, but your experience highlights this Aimee.

The comment made about fluorescence not being spread evenly across the diamond indicating heating?

Total nonsense.

 

I will say that asking to see any 2ct round diamond for less than $10k in a jewelry store is very likely to cause a puzzled stare from the salesperson. These are not easy to find diamonds - especially in local jewelry stores.

Share this post


Link to post
Share on other sites

Aimee,

In case you will feel better with an "arm's length" opinion, I agree with what Davide and David are advising you.  

 

Furthermore, this is the kind of diamond you buy because it appeals to YOU.  It's largely irrelevant if jewelers who have little to gain from your purchase of a diamond from an outside source tell you the diamonds "are not very good".  

 

Follow your instincts.  You can rely on the representations made by the two companies you are shopping.  They are both specialists in this field.  And both have far more experience in fancy color diamonds than the average jeweler.


Bryan Boyne, GG (GIA), CG (AGS)
Whiteflash Ideal Diamonds and Fine Jewelry

bboyne@whiteflash.com

Share this post


Link to post
Share on other sites

Thanks y'all. After we slept on it we had decided to keep the one I like and not bring it to any more local Jewelers. I love it so who cares what they have to say? I swear it feels like we were dealing with used car salesmen. We were joking on the way home "maybe he can offer gold in all colors of the rainbow and I can have 7 halos" 😂

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this