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Is this a Super Ideal Diamond?

There is no agreed on definition of the term super ideal, and no lab that I know of uses that terminology. Keep in mind also that no matter where you draw the line, there will be a diamond on the right side of the line that in practice looks exactly like a diamond on the left side of the line.

It's definitely an ideal, but it falls short of the AGS range for ideal cut.

I would say it's not a super ideal based on the hearts image. If you compare the black letters V between the chevron and the hearts at 4 o'clock and 5 o'clock you can see that the 5 o'clock V is visibly broader. I would say it would not meet the cutting standards of the Brian Gavin/Whiteflash/Good Old Gold/Victor Canera stones so often seen on PS.

In practice it is unlikely that anyone could see a difference, and you are right to be happy with your choice.
 
I think it's an extremely well cut diamond. Traditionally when people refer to super ideal cut they are vendors that specifically cut for maximal optical symmetry and precision, i.e. that standard doesn't happen accidentally if someone isn't actively going for it. Vendors that do that are WF,BG, GOG, VC, HPD etc. James Allen true hearts are usually better priced but I believe they are virtual inventory diamonds that happen to be very well cut, rather than a diamond that specifically started out its life with the mission of being the best cut.

I think your diamond is great and I believe it has a great chance of getting AGS 0 light performance. We don't know because it wasn't graded by AGS. I'm not sure what ChristineRose meant saying it that it falls short of the range of AGS ideal cut, because none of the numbers disqualify it from potentially acquiring AGS0.

I agree the hearts and arrows probably wouldn't get ACA branding for example, but I personally think there wouldn't be a visual difference, and true hearts are a good way to maximise performance taking your dollar the extra mile.
 
Two reasons:

The HCA says it doesn't qualify for an AGS 0.
It was graded by GIA--no one would send an AGS 0 to GIA. AGS 0 sell for more.
 
I have a whiteflash ACA, 55% table, 34.5 CA, 40.8 PA. While having some of the same angles doesn't mean the diamonds perform similarly, I do think you are in the right range and if you think the diamond is a stunner, it probably is. Enjoy - maybe a little bit of loss of symmetry means you got a great deal!
 
ChristineRose said:
Two reasons:

The HCA says it doesn't qualify for an AGS 0.
It was graded by GIA--no one would send an AGS 0 to GIA. AGS 0 sell for more.
Click to expand...

HCA is often inaccurate with its borders for AGS 0 for a reason I don't understand. Looking at AGSL performance tables, 55/34.5/40.8 is bang on in the middle of ideal. In this case HCA is accurate and the diamond is shown to be a candidate for AGS0 at a depth of 61.5

Secondly, there are many examples I've come across of GIA excellents that fulfill AGS ideal optics, GOG has many examples of such stones and plentiful in their educational videos. Particularly if the diamond was originally graded outside the US where AGS has minimal presence, it's not implausible JA did not recertify. Based on the optical symmetry, idealscope and certificate, I'd be very surprised if this diamond didn't get AGSL0
 
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