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Dud or Deal?

james rodriguez

Rough_Rock
Joined
Jun 30, 2021
Messages
16
I purchased a diamond recently, but I have been looking at the videos and I can now see some strain. Since it is a CVD, I am worried it will turn out gray.
Video here.
This frame in particular worries me - the top right looks like it may have the fuzzy lines.
The diamond has not yet shipped and I can cancel it anytime, but I am hoping to propose in September and it takes about 2-3 weeks for the diamond to arrive. So I am starting to run out of time. Any thoughts would be super appreciated.


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monipod

Brilliant_Rock
Joined
Jun 25, 2019
Messages
867
I can't say for sure if strain/graining is responsible, but the arrows certainly aren't clear at the top, and it's noticeable even when you pull the magnification back.

If time wasn't an issue, I'd still look at bringing it in to see IRL but if you don't want to risk it, I'd keep looking. Not sure how much of a 'deal' this stone is if it checks out IRL but there's bound to be others worth checking out?
 

DejaWiz

Shiny_Rock
Joined
Apr 23, 2021
Messages
468
Everything looks great on the report:


This one does appear to lean towards grayish-silver, which I think makes it more visually appealing than the CVD diamonds that lean brownish or brownish-pink. Of course, that is strictly personal preference.

If you'd like an idea of how it may look, then check out the thread that @Stardusted made:

 

ringo865

Ideal_Rock
Premium
Joined
Feb 14, 2014
Messages
2,653
And presuming that your intended knows about, and is okay with receiving, a LG diamond…
 

james rodriguez

Rough_Rock
Joined
Jun 30, 2021
Messages
16
I can't say for sure if strain/graining is responsible, but the arrows certainly aren't clear at the top, and it's noticeable even when you pull the magnification back.

If time wasn't an issue, I'd still look at bringing it in to see IRL but if you don't want to risk it, I'd keep looking. Not sure how much of a 'deal' this stone is if it checks out IRL but there's bound to be others worth checking out?


Yeah I did not see it before, but once someone pointed it out to me, I cannot unsee it.
At first I thought it was maybe just the video quality, but not sure that is the case here.

How should I test the diamond in-peson?


Everything looks great on the report:


This one does appear to lean towards grayish-silver, which I think makes it more visually appealing than the CVD diamonds that lean brownish or brownish-pink. Of course, that is strictly personal preference.

If you'd like an idea of how it may look, then check out the thread that @Stardusted made:



That is true - I agree gray is better than the brown. Just tough because I am not sure if it crosses that magically threshold of 'too gray'

The thread is great! I will go take a look ! Thank you!
And presuming that your intended knows about, and is okay with receiving, a LG diamond…

ofc, we have discussed it and she is happy with a LGD
 

oncrutchesrightnow

Brilliant_Rock
Joined
Apr 17, 2006
Messages
543
I purchased a diamond recently, but I have been looking at the videos and I can now see some strain. Since it is a CVD, I am worried it will turn out gray.
Video here.
This frame in particular worries me - the top right looks like it may have the fuzzy lines.
The diamond has not yet shipped and I can cancel it anytime, but I am hoping to propose in September and it takes about 2-3 weeks for the diamond to arrive. So I am starting to run out of time. Any thoughts would be super appreciated.


side-png.842508

I’ve read elsewhere on this forum that CVD stria do not always cause problems with light return, but when it does, it often occurs in the context of post-growth treatment, which may be the issue here according to that IGI report. Still, IINAE.
 

james rodriguez

Rough_Rock
Joined
Jun 30, 2021
Messages
16
I’ve read elsewhere on this forum that CVD stria do not always cause problems with light return, but when it does, it often occurs in the context of post-growth treatment, which may be the issue here according to that IGI report. Still, IINAE.

Do you mind elaborating a bit? Are you saying that if the stria had occurred during the regular growth = not a huge deal, but when it happens in the post-growth treatment = bad? I am looking at other stones right now just in case so I want to make sure I know what to avoid/look :) thank you in advance!

PS. What does IINAE mean? lol
 

monipod

Brilliant_Rock
Joined
Jun 25, 2019
Messages
867
Yeah I did not see it before, but once someone pointed it out to me, I cannot unsee it.
At first I thought it was maybe just the video quality, but not sure that is the case here.

How should I test the diamond in-peson?

It could just be a badly cut though everything else looks good on paper. As @DejaWiz said, in person you can check out its true performance using a Ideal Scope or that toilet paper roll test. Videos can be deceiving.
 

james rodriguez

Rough_Rock
Joined
Jun 30, 2021
Messages
16
It could just be a badly cut though everything else looks good on paper. As @DejaWiz said, in person you can check out its true performance using a Ideal Scope or that toilet paper roll test. Videos can be deceiving.

Thank you for the feedback! I had originally set-up an arrangement with the seller where I put down a 50% deposit and I can cancel the purchase or pick anotehr diamond within 30 days before shipment. Now I am tempted to pay off the remainder just so it ships and I can see it in person to stop obsessing over whether it is good or bad.

What is the toilet paper roll test? I googled it but nothing useful came up.

Thank you!
 

DejaWiz

Shiny_Rock
Joined
Apr 23, 2021
Messages
468

oncrutchesrightnow

Brilliant_Rock
Joined
Apr 17, 2006
Messages
543
Do you mind elaborating a bit? Are you saying that if the stria had occurred during the regular growth = not a huge deal, but when it happens in the post-growth treatment = bad? I am looking at other stones right now just in case so I want to make sure I know what to avoid/look :) thank you in advance!

PS. What does IINAE mean? lol

IINAE… should be IANAE… I am not an expert. :)

See https://www.pricescope.com/community/threads/internal-graining-comparison.255344/#post-4700260

I get the impression from reading that thread that HPHT after growth of CVD affects the internal structure of the CVD in a way that might cause blurring or other interference with light return.

But the experts here would be better sources.
 
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