shape
carat
color
clarity

Should I go with any of these upgrades?

flashy09

Rough_Rock
Joined
Aug 3, 2010
Messages
3
I am so in love with my ACA diamond. I think it looks so bright and white and enjoy it so much I think I like warmer colors! This is it

https://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3965473.htm

I am tempted to go up in size and found these 3. I am almost positive I would be fine with a K. I don't mind inclusions as long as not obvious. But I REALLY don't want to sacrifice sparkle or fire. My diamond is colorful and I am terrified of losing any of that.

Do any of these diamonds match or better the one I have in terms of light return? Do any look particular good or not so good quality wise? I know all ACA's are well cut, but if one of these looks on the higher or lower end of the super well cut scale, I would love to know! I am totally fine to wait if none of these are "wow" stones (taking into account color and clarity.

WF has been super helpful. I just overanalyze everything and like as many opinions as possible! Thank you!



 
You are definitely going up in size but down in clarity. I am not sure how "eye clean" the K is, if at all. The crystal is big and right on the table. I would ask WF for confirmation or comparison. Regarding the J, going from 1.5 to 2.11 is going to also be a significant difference in size, so I would like that one over the K. And upgrade to 2.5+ later? Unless, you are ok with something that might be visible to the naked eye and I think the K will be.
 
The first one of the three isn’t a link to a stone. The second one is ok, but the inclusions make it look dirty. The third one will not be eye clean.
 
Your current stone has a steep CA and small table which creates large crown facets that are great at producing fire. I’d look for something similarly proportioned since you mentioned you like that quality.
 
Wow, thanks for so much all the help! Yes the crystal in the table of the 2.53 K is visible the naked eye (although rated"eye clean") if you really look for it. But more importantly I really don't want to lose any fire!

This is a smaller K that didn't link the first time. The black speckles are dust not inclusions at the top.

This K is similarly proportioned and looks amazing! Not sure what your budget is.

[https://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-4419951.htm


Omg I love that K mwilliamanderson! I have no idea about CA angles and table size so that is really helpful to find one similar to mine.

There is also this J with VS2 clarity ...https://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-4379402.htm

Does that have a similar fire producing quality?

Thank you again!!!



I
 
All ACA’s are cut within a very small range of parameters that produce a well balanced stone. That is, it should produce produce fire (colored light return) and brilliance (white light return) very well.

People do seem to gravitate to a preferred set of proportions for one reason or another. When we’re only picking from branded ideal cut stones, I think the differences are very subtle. In other words, I think any of the ACA’s will be amazing!

Here’s a chart that Garry made that you might find helpful. It shows how the proportions can change the “flavor” of a diamond. All ACA’s are cut to specs within the All Around column. Your diamond leans towards the Fiery Balanced column. A diamond with CA 34.2 PA 40.9 leans toward the Bright Balanced column. Again, the differences will be subtle, and I only mention it because you emphasized the importance of Fire, and some people can see these subtle differences.

The J VS2 you just asked about falls smack in the middle of the All Around Diamond column. It is beautiful, for sure. In your case, you may want to preview a diamond you are considering upgrading to (buy it, have it shipped to your home and look at it for a couple of days). Or Whiteflash could make a side by side video of your diamond and the one you are considering so your eyes can make the comparison.

1633787135301.png
 
All ACA’s are cut within a very small range of parameters that produce a well balanced stone. That is, it should produce produce fire (colored light return) and brilliance (white light return) very well.

People do seem to gravitate to a preferred set of proportions for one reason or another. When we’re only picking from branded ideal cut stones, I think the differences are very subtle. In other words, I think any of the ACA’s will be amazing!

Here’s a chart that Garry made that you might find helpful. It shows how the proportions can change the “flavor” of a diamond. All ACA’s are cut to specs within the All Around column. Your diamond leans towards the Fiery Balanced column. A diamond with CA 34.2 PA 40.9 leans toward the Bright Balanced column. Again, the differences will be subtle, and I only mention it because you emphasized the importance of Fire, and some people can see these subtle differences.

The J VS2 you just asked about falls smack in the middle of the All Around Diamond column. It is beautiful, for sure. In your case, you may want to preview a diamond you are considering upgrading to (buy it, have it shipped to your home and look at it for a couple of days). Or Whiteflash could make a side by side video of your diamond and the one you are considering so your eyes can make the comparison.

1633787135301.png

So helpful! Do any of those angles matter more in terms of fire?
 
This except is from the article here called Diamond Performance Explained.

Diamond Cutting and Fire

Diamond experts have known for a long time that high crowns and small tables (like antique diamonds) promote more visible fire because rays of light travel through more diamond material and disperse more. But this combination also produces less light return, therefore less brightness. The reduction in brightness actually makes it easier to see small fire events that might otherwise be overwhelmed by white light return.


If you want to learn more, I highly recommend reading the articles on Diamond Proportions, Fire and Dispersion and Diamond Performance. Since you’re buying from Whiteflash you don’t have to know these things to get a great diamond, but you seem interested, so I will post the links.



 
Your current stone has a steep CA and small table which creates large crown facets that are great at producing fire. I’d look for something similarly proportioned since you mentioned you like that quality.

56.7 smaller table?
 
Here are the stones you are looking at in a "Compare" display with your current stone thrown in. You can look at
the Diamond Videos and compare how the sparkles look side-by-side. I tend to get away from the screen a little so I can see
all the videos at once, blur my eyes a little and pick out what stone seems* to be a little more flashy. Its not easy but sometimes
I feel like I can tell a slight difference (maybe I'm just kidding myself :lol::shock:).

 
Last edited:
56.7 smaller table?

Smaller than 56.8, 56.9, 57.0, 57.1, 57.2, 57.3 etc., all the way up to 58, which are all acceptable parameters. Perhaps I should I have said average? ;)2
 
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