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Unusual AGSL image and Idealscope. RB H&A

D

Danielc118

Rough_Rock
Joined
Jun 11, 2012
Messages
28
Gday all,

I have just put a diamond on hold for my fiancee's engagement ring,

http://www.jamesallen.com/diamonds/I-VS1-Ideal-Cut-Round-Diamond-1493112.asp

I was looking at the AGS report, and it looks like some of the reflections aren't right. Wondering if people can give me their opinions.

You can see 2 darker arrows in the Idealscope image, and this has been replicated in the AGSL.

Just wondering what has caused this, and if it will affect the look of the diamond.

Cheers,

Dan
 
Danielc118|1341317639|3227797 said:
I was looking at the AGS report, and it looks like some of the reflections aren't right. Wondering if people can give me their opinions.

You can see 2 darker arrows in the Idealscope image, and this has been replicated in the AGSL.

Just wondering what has caused this, and if it will affect the look of the diamond.
Click to expand...

On the actual diamond image, you are seeing 2 arrows that look a bit more blue than the others. This is just a reflection of whatever is in the environment during the photo shoot. Some PSers have red cameras and so their arrows will look red in photos! The ASET in the report is a computer-generated image, not an actual ASET photo of the stone. I really wouldn't worry with an AGS000 stone, but perhaps a true expert will chime in.
 
rubybeth|1341318918|3227803 said:
Danielc118|1341317639|3227797 said:
I was looking at the AGS report, and it looks like some of the reflections aren't right. Wondering if people can give me their opinions.

You can see 2 darker arrows in the Idealscope image, and this has been replicated in the AGSL.

Just wondering what has caused this, and if it will affect the look of the diamond.
Click to expand...

On the actual diamond image, you are seeing 2 arrows that look a bit more blue than the others. This is just a reflection of whatever is in the environment during the photo shoot. Some PSers have red cameras and so their arrows will look red in photos! The ASET in the report is a computer-generated image, not an actual ASET photo of the stone. I really wouldn't worry with an AGS000 stone, but perhaps a true expert will chime in.
Click to expand...

That is what I thought also, but then, it showed up in the Idealscope image also, and in the computer generated image.

Very happy for an expert to chime in and help!

Cheers,

Dan
 
It could be that the diamond was slightly tilted or maybe the angle of the camera was off. There does seem to be a tiny amount of leakage around the center area (or that could partially be from the diamond being tilted) but since it has ideal light performance, I don't think it will have any visible affect on the diamond's appearance. The hearts image looks very good.

However, I will say that I am not certain I would pay the price premium for True Hearts for this particular stone. Are there any other contenders?
 
Bump!
 
Ditto, nothing to worry about re. arrows - just photography.
Ditto, I would not pay a H&A premium for this stone. Not because I don't think it'll be a beautiful stone IRL, because I do, but because I object on principle to paying a premium for certain things and not receiving a product that lives up to those standards, whether or not the difference is actually visible to me. Same for H&A vs near-H&A - one earns the premium and one doesn't, for me, even if they're visually identical. Hearts on this one look fine btw.
 
To me, this is one of those stones where "AGS trumps HCA" doesn't apply. The combination of the CA/PA/Depth AND the ADDED IS image show a good amount of leakage in the center of the table.

This has nearly IDENTICAL numbers to the previous GIA stone I had. So although everyone seems to say AGS evaluates light performance blah blah blah, but in this case, numbers don't lie, nor does the IS image. As someone else pointed out to me on my previous stone, the center of the stone behaves very differently than outside of the table.

Had this been a GIA XXX would anyone say don't worry about it? This stone scores a 3.4 on the HCA, backed up with the IS image. So although many of us like to say "I wouldn't worry about a AGS 000", perhaps that should be thrown around more cautiously as this is a stone I don't think many of us would purchase regardless of the 000 score and "ideal" light performance.

I've seen a few of these stones on WF's site that are ACA with those #s and IS images. True, IRL, viewed binocularly, most would not notice a damn thing, but what's great about this forum is we push for the best performing stones. Prosumers, right? =) I wouldn't like knowing I bought a stone that leaks in the center even if it's a True H&A... :Up_to_something:

Sorry OP, but I'd pass. :sun:
 
I think it will look dark under the table. The crown and pavilion angles are steep/deep, the lgfs are short, and the center of the IS shows leakage. I don't think the IS looks that way because the stone is tilted. All that said, the leakage may not be noticeable to your eyes or your girlfriend's eyes. It may be minimal; it may not be -- hard to say from just the IS image.

However, this diamond is sold as a True Hearts stone, which are sold at a $ premium. I do not think this stone should be sold at a premium. This diamond is a prime example of a stone that has great hearts, but may have proportions that do not work so well together. This is why I do not think you can buy a stone just by the numbers or just by the hearts images -- they don't guarantee a visually beautiful stone. JA has a great return policy, so you could have the stone shipped to you, take a look at it under a variety of lighting conditions (looking for dark or dull areas under the table) and return it if you are not satisfied with it in person.
 
hmmm, this isn't boding well for me...

My setting is made for the diamond, so I have to be sure of the diamond before the purchase. They can modify it, but better if we don't have to.

I will ask the JA gemologist about the questions posed in this thread, see what they say, and have a look for another diamond while I am at it.

I was definitely trusting the TrueHearts cut to deliver a stunning diamond, if it's proportions aren't ideal I don't know how it got the rating?
 
TitanCi|1341360525|3228207 said:
To me, this is one of those stones where "AGS trumps HCA" doesn't apply. The combination of the CA/PA/Depth AND the ADDED IS image show a good amount of leakage in the center of the table.

This has nearly IDENTICAL numbers to the previous GIA stone I had. So although everyone seems to say AGS evaluates light performance blah blah blah, but in this case, numbers don't lie, nor does the IS image. As someone else pointed out to me on my previous stone, the center of the stone behaves very differently than outside of the table.

Had this been a GIA XXX would anyone say don't worry about it? This stone scores a 3.4 on the HCA, backed up with the IS image. So although many of us like to say "I wouldn't worry about a AGS 000", perhaps that should be thrown around more cautiously as this is a stone I don't think many of us would purchase regardless of the 000 score and "ideal" light performance.

I've seen a few of these stones on WF's site that are ACA with those #s and IS images. True, IRL, viewed binocularly, most would not notice a damn thing, but what's great about this forum is we push for the best performing stones. Prosumers, right? =) I wouldn't like knowing I bought a stone that leaks in the center even if it's a True H&A... :Up_to_something:

Sorry OP, but I'd pass. :sun:
Click to expand...

Totally agree with this post. I don't care if it's AGS ideal or not, the IS image doesn't lie. And the numbers show it is a steep deep.

We can help you find something better, OP! :))
 
haha, thanks a lot guys!

so, I'm posting a few diamonds up here in my range, hopefully no-one snaps them up ><

http://www.jamesallen.com/diamonds/J-SI1-Ideal-Cut-Round-Diamond-1498721.asp
this one runs a 1.6 on HCA, not sure about the inclusions is the only problem :( opinions?

http://www.jamesallen.com/diamonds/J-VS1-Excellent-Cut-Round-Diamond-1496833.asp
and this one runs a 1.4, but with the pinpoint inclusions, but is rated to Vs1, hmmm...

Also I should note, the stone is going in a fairly open setting, where it will get a fair amount of light from under/around. does this make a difference?

Cheers

Dan
 
Danielc118|1341383167|3228393 said:
haha, thanks a lot guys!

so, I'm posting a few diamonds up here in my range, hopefully no-one snaps them up ><

http://www.jamesallen.com/diamonds/J-SI1-Ideal-Cut-Round-Diamond-1498721.asp
this one runs a 1.6 on HCA, not sure about the inclusions is the only problem :( opinions?
Really can't judge real-world visibility of inclusions from photos - best ask your JA rep to have it checked to your specifications (do you want it to be clean from 5" face-up? 12" good enough? From the sides as well?)

http://www.jamesallen.com/diamonds/J-VS1-Excellent-Cut-Round-Diamond-1496833.asp
and this one runs a 1.4, but with the pinpoint inclusions, but is rated to Vs1, hmmm...
a reputably graded VS1 in this size is, realistically, going to be eyeclean to whatever your specifications are face-up.

Also I should note, the stone is going in a fairly open setting, where it will get a fair amount of light from under/around. does this make a difference?
Not in any ThisIsSomethingToWorryAboutWhenChoosingMySetting way. It would have far more impact if you were looking at stones that allowed significant light escape through the pav ("leakage").

Cheers

Dan
Click to expand...
 
Just a bump on this!

I'm getting very close to making the purchase and need to finalize the stone.

Opinions on the 2 I linked?

Cheers,

Dan
 
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