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Is this really a VS2?

rr888

Rough_Rock
Joined
Mar 11, 2014
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This is a GIA triple excellent H VS2 1.51 ct round brilliant that I have been strongly considering, and finally just got a picture of it today. The cut looks beautiful to me, but there is that black crystal right in the middle of the table! Do you think it will be eye clean?

Would you buy this stone?
 
That's obviously magnified quite a bit, but not all VS2s are eye clean. Funny, I've seen people post quite a few here lately and they all seem to have a black crystal right in the table.
 
Alot would say no because it's black and it's on the table. BUT, you have to remember that picture is zoomed in *a lot*...I'd get an honest opinion on the clarity from the vendor. If they have a good return policy, I'd probably get it to see what it looks like in person.
 
In a larger stone like that - yes, its a VS2.
If it was a 1/2ct stone then it could be SI1

also the focus is set on the top of the stone - and the inclusion is also high up, and that is a good place for an inclusion.
If it were deeper into the stone it would reflect all around.
 
Thank you for your input. So do you think that this inclusion will be visible to the naked eye?

Is this stone worth buying in your opinion? HCA is 1.9.
 
We can't tell you whether it would be eyeclean or not. You would have to ask the vendor. It's very hard to predict black inclusions. Depending on where they fall in the faceting they could be hidden by a talented cutter. Or they could be visible.
 
This is the other diamond I am considering: H SI1 1.44ct (HCA 0.7).
1_223.jpg
Even though this one is SI1, I am wondering if maybe it will actually be cleaner to the naked eye compared to the VS2 that I posted at the top of the thread. Then again, in my opinion the cut looks better in the picture of the 1.51 VS2.

What do you think?
 
No mean to tread jack, but this is a great example showing a repeatable occurrence I have been noticing.
GIA will issue a VS2 grade to such inclusions where I have learned AGSL will probabely grade such an inclusion as an SI1.

Just in connection with the grading disparencys between both Labs..., an issue under discussion every once in a while...

bTW, this inclusion might very well be eyeclean depending on your personal vision abilities.
 
rr888|1394770927|3633775 said:
This is the other diamond I am considering: H SI1 1.44ct (HCA 0.7).
1_223.jpg
Even though this one is SI1, I am wondering if maybe it will actually be cleaner to the naked eye compared to the VS2 that I posted at the top of the thread. Then again, in my opinion the cut looks better in the picture of the 1.51 VS2.

What do you think?

Since this stone is magnified like x50+ and I still can't locate an inclusion... it's safe to say it's eye-clean. :bigsmile:
 
Not necessarily.
You are looking at one still shot of the Diamond, once in movement it could potentially block some light thus being visible.
You should ask the vendor if they consider this specific grade eyeclean, I think I do notice a feather (around 5 o'clock) and some minor cristal reflections? But I am not certain.
At the same time it could very well be eyeclean.
 
Thanks to all for your replies.

Based on the pictures, do you think one will outperform the other in terms of cut?

The 1.51 is about $1500 more expensive than the 1.44. They face up exactly the same dimensions.

Which should I buy?
 
The pictures don't give the whole story.
 
I have graded over 300.000 stones and I can say that I have never seen a stone or known a grader that could see a VS2 inclusion in a stone under 5cts. And that's with experienced graders knowing where the inclusion is, in a darkroom with back lighting on the diamond.
 
I have heard over and over again from gemologists in my country that all vs2´s "are eye clean" and that "no such a thing as eye clean even exists" and that some vendors trying to rip people off and that those vs2´s aren´t really vs2's etc etc. Then I talked to a girl who was sad that her new vs2 diamond that she bought online wasn't eye clean. And I have read here several times that all vs2's aren't eye clean.

And then when I was looking for a rb I happened see a diamond graded vs2 by GIA where I saw what Garry said in his last sentence.
So I am extremly confused, who is right?
(sorry for borrowing the thread a little)
 
A key word for GIA grading SI is 'noticeable' while VS is 'minute' with 10x
To me the crystal in the table is noticeable straight away so its SI1

I believe any dark crystal unless VS1 or above in the table can be seen in certain lighting conditions , the dimmer the light the more it will stand out.
 
treasurehunter|1394832943|3634305 said:
A key word for GIA grading SI is 'noticeable' while VS is 'minute' with 10x
To me the crystal in the table is noticeable straight away so its SI1

I believe any dark crystal unless VS1 or above in the table can be seen in certain lighting conditions , the dimmer the light the more it will stand out.

I have 2 VS diamonds around 3/4ct. In the VS2 I spotted the [dark] inclusion with the H&A viewer within 5 seconds of looking for the first time. In the VS1 I've searched long with a 30x [says 60x but I doubt it]. Even knowing where the inclusions are I can't find them. That is a dramatic difference between the 2 grades!
 
I know someone with a stone with black inclusion - only one - that was the grade maker for her VS2 diamond. You can readily see it.
 
VS2 type inclusions can definitely be eye visible (face-up) depending on quite a few factors. (these are the ones relevant to the wearer)
-individual vision capabilities.
-light return intensity and contrast patern.
-lighting environment.
-type of inclusion.
-size, color and position/location of the inclusion.
-faceting design & shape.

As example..., VS2 type crystals in step-cuts will be easier to visibly locate than in brilliant cuts.
Certain shallow cuts reveal their inclusions easier.
And let's not forget it will greatly depend on which Lab report accompanies the Diamond.

Yes..., VS2 type inclusions are eye visible in some (rare) cases, but IMO not in any negative way (more as personal ID mark).
Genuine VS2 type inclusions will blend and not disturb the light performance nor make a Diamond less beautiful.
They will not endanger the Diamond's structure.
 
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