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Super Ideal Proportions

kmajid

Shiny_Rock
Joined
Jul 11, 2019
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148
Is there any reason why a non branded GIA certified diamond that has proportions similar to a super ideal diamond wouldn't perform as well. What are some other factors that come into play?
 
Is there any reason why a non branded GIA certified diamond that has proportions similar to a super ideal diamond wouldn't perform as well. What are some other factors that come into play?
It might or might not. Gia rounding is one consideration.

If an ASET/IS confirms great performance then yes, it might perform like a "super ideal", but without those images we don't know. It's more likely that an unbranded AGS 000 will perform like a super ideal vs a gia XXX
 
Edit, this one looks solid as well.
https://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-4107649.htm

But you need these advanced images to know for sure

That does look like a great option. With that said, why would someone not go with that over a super ideal that costs more?

The thing that confuses me a little, is that if proportions are what dictate performance, why wouldn't each diamond be expected to perform well if it's cut within certain parameters?
 
That does look like a great option. With that said, why would someone not go with that over a super ideal that costs more?

The thing that confuses me a little, is that if proportions are what dictate performance, why wouldn't each diamond be expected to perform well if it's cut within certain parameters?
Because of rounding. There are no *exact* numbers on gia certs. That's what you need advanced images. I don't know what the cost difference would be between the one I posted and one with similar performance from the ACA line, so can't say what someone would choose or why.
 
That does look like a great option. With that said, why would someone not go with that over a super ideal that costs more?

The thing that confuses me a little, is that if proportions are what dictate performance, why wouldn't each diamond be expected to perform well if it's cut within certain parameters?
But Broadly speaking, stones are expected to perform well if within certain parameters.
 
It certainly could perform well.

With super ideal vendors, you get in stock and vetted stones, excellent customer service, better upgrade policies and with CBI for example, 80% buy back policy. (I’m not sure what other vendors have generous buy back policies...likely most of them and I know Victor Canera does because someone recently posted about it).

AGS is better for light return imagery. Etc.

Believe me, when I upgraded my diamond studs with Blue Nile, it took (I can’t remember exactly) like 1-2 months of daily searching to find a pair with ideal specs (of course, it is harder with pairs). I was stuck with blue Nile and had to pay double, so I was prepared to search for a while, when a pair finally popped up and was only $12.00 more than double.

It’s just so much easier to call WF or HPD or BG and the older I get, the more I am willing to pay the extra to not have to work hard to find a diamond.... you just decide on a budget and about what you want and what you are willing to give on and you can get a diamond today. In my last purchase with HPD/CBI it took all of ten minutes to get a diamond.

But yes, searching a database can be fruitful if you are willing to put the time and effort in. Personally, I would call these “near super ideal” or Ideal etc.


When I upgrade this CBI stone, I only have to pay 1$ more and can do basically whatever I want like trade my one diamond for two etc. To me, that is worth the flexibility and extra money. I will give you two examples:

1) upgrading my BN studs: had to pay double, I went from .88 E vs 2 to 1.4 F Si1. Now I’m stuck because in order to upgrade again, I have to get in the $10, 500 range, which would be too big for my lobes because you are getting close to 2 ctw at that point.

2) my BN asscher, see avatar. 1.52 G vs1, before I reset into a split shank, I wanted to upsize. I would have to pay double at 9k more, whereas I only wanted to spend about 4 K more and get to like a 1.68 or so. So I was essentially “stuck” with the 1.52 so I reset into a blingy setting that I love and now it’s all ok. But I was unable to upgrade in the way I wanted to.
 
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Because of rounding. There are no *exact* numbers on gia certs. That's what you need advanced images. I don't know what the cost difference would be between the one I posted and one with similar performance from the ACA line, so can't say what someone would choose or why.

Totally makes sense.
 
It certainly could perform well.

With super ideal vendors, you get in stock and vetted stones, excellent customer service, better upgrade policies and with CBI for example, 80% buy back policy. (I’m not sure what other vendors have generous buy back policies...likely most of them and I know Victor Canera does because someone recently posted about it).

AGS is better for light return imagery. Etc.

Believe me, when I upgraded my diamond studs with Blue Nile, it took (I can’t remember exactly) like 1-2 months of daily searching to find a pair with ideal specs (of course, it is harder with pairs). I was stuck with blue Nile and had to pay double, so I was prepared to search for a while, when a pair finally popped up and was only $12.00 more than double.

It’s just so much easier to call WF or HPD or BG and the older I get, the more I am willing to pay the extra to not have to work hard to find a diamond.... you just decide on a budget and about what you want and what you are willing to give on and you can get a diamond today. In my last purchase with HPD/CBI it took all of ten minutes to get a diamond.

But yes, searching a database can be fruitful if you are willing to put the time and effort in. Personally, I would call these “near super ideal” or Ideal etc.


When I upgrade this CBI stone, I only have to pay 1$ more and can do basically whatever I want like trade my one diamond for two etc. To me, that is worth the flexibility and extra money. I will give you two examples:

1) upgrading my BN studs: had to pay double, I went from .88 E vs 2 to 1.4 F Si1. Now I’m stuck because in order to upgrade again, I have to get in the $10, 500 range, which would be too big for my lobes because you are getting close to 2 ctw at that point.

2) my BN asscher, see avatar. 1.52 G vs1, before I reset into a split shank, I wanted to upsize. I would have to pay double at 9k more, whereas I only wanted to spend about 4 K more and get to like a 1.68 or so. So I was essentially “stuck” with the 1.52 so I reset into a blingy setting that I love and now it’s all ok. But I was unable to upgrade in the way I wanted to.

Thanks for breaking it down and sharing examples from your own experience. There's no doubt that there are many advantages to buying from certain vendors.
 
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