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D VS2 Cushion Vs F VVS2 cushion

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jdiamond2014

Rough_Rock
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Hi all,

I am in a bit of a dilemma. I have decided to go ahead and purchase a diamond engagement ring for my soon to be fiance. I am a tech guy and so statistics, figures and diagrams are something that I way over think.

I am buying a cushion cut diamond *cause thats what the soon to be misses wants* and I have already chosen my jewler/diamond dealer. I like the guy and his store and he has been great to work with. He tells me that all the diamonds he has are "very good" cut diamonds. I have managed to narrow my choices down to 2 different diamonds.

GIA report # 6137636241 (This is a D VS2 with good symmetry and very good polish) table 65% depth 68.8%
GIA report # 6175057600 (This is an F VVS2 with very good symmetry and excellent polish) table 60% depth 67%

The D only has one small inclusion I can see on the table under a loop. That isn't the issue. The issue is the color. To my eye there is a huge different between the stones colors and in the right light I can see that difference and it bothers me a lot. BUT I think the F is a much better cut stone and it seems to have a little more "sparkle" to it. I am curious about the opinions of other experts here.

I am also interested in buying the stone as a quasi investment and I am interested to know which stone will have a better resale in the future based on what the experts out here know?

Also is it true that the F might in fact be a G and that the grade report could be off?

Thanks for your answers in advance
 
jdiamond2014|1405255912|3712458 said:
Hi all,

I am in a bit of a dilemma. I have decided to go ahead and purchase a diamond engagement ring for my soon to be fiance. I am a tech guy and so statistics, figures and diagrams are something that I way over think.

I am buying a cushion cut diamond *cause thats what the soon to be misses wants* and I have already chosen my jewler/diamond dealer. I like the guy and his store and he has been great to work with. He tells me that all the diamonds he has are "very good" cut diamonds. I have managed to narrow my choices down to 2 different diamonds. Labels such as Very Good are really meaningless and are no guarantee of you ending up with a well cut, beautiful diamond unfortunately.

GIA report # 6137636241 (This is a D VS2 with good symmetry and very good polish) table 65% depth 68.8%
GIA report # 6175057600 (This is an F VVS2 with very good symmetry and excellent polish) table 60% depth 67%

All the above info gives us is a chalk outline of the stones regrettably, images are essential in order for us to help you further, can you get some clear photographs of the diamonds you are interested in please?

The D only has one small inclusion I can see on the table under a loop. That isn't the issue. The issue is the color. To my eye there is a huge different between the stones colors and in the right light I can see that difference and it bothers me a lot. BUT I think the F is a much better cut stone and it seems to have a little more "sparkle" to it. I am curious about the opinions of other experts here. You might be one of those colour sensitive souls, no problem if that is the case, look at some others if you feel you definitely prefer D colour. Bear in mind cut quality is critical to bring out the best in any diamond.

I am also interested in buying the stone as a quasi investment and I am interested to know which stone will have a better resale in the future based on what the experts out here know? Diamonds are not good financial investments!!! Expect to recoup only 30 - 50% of what you originally paid should you decide to ever sell or trade in your diamond, with fancy shapes such as a cushion, the above figures could be less. The best way to protect your original investment is to buy from a seller with a guaranteed lifetime upgrade or buyback policy, the T&C's of these can vary greatly so always read the small print and factor that into your purchase plan.

Also is it true that the F might in fact be a G and that the grade report could be off? Unlikely but not impossible, the cut quality might be making a difference or the F could be a ' low' F perhaps and closer to a G colour, or the stone might have a slight tint undertone.

Thanks for your answers in advance

Hi jdiamond and welcome! Thoughts are in bold above. :wavey: I hope the above thoughts are helpful to you, if you prefer to buy from a jewellery store, whereabouts are you located? Someone might be able to suggest a good person to work with if your chosen dealer can't source what you are looking for.
 
Neither diamond "looks good". Let alone "looks great". Why? Because you've posted a bunch of meaningless information. Most importantly because numbers tell you nothing about a cushions. You need pictures and an ASET.

From what you have posted those diamonds could be gorgeous, or complete dogs. GIA does not grade their cushions for performance. Only AGS does, and only a select few branded ones of those.

The entire purpose of faceting a diamond is to reflect light.
How well or how poorly a diamond does this determines how beautiful it is.
How well a diamond performs is determined by the angles and cutting. This is why we say cut is king. With fancies though (anything other than a round brilliant), that is a little complicated. But no other factor: not color, not clarity has as much of an impact on the appearance of a diamond as its cut.

There really is no other way to determine if you have a good cushion is to see LARGE images of the stones, and then you need is a way to check actual light performance of your actual stone.

That's what an ASET image does. http://www.highperformancediamonds.com/index.php?page=education-performance Please read.
And ASET shows you how and wear your diamond is reflecting light, how well it is going at it, and where you are losing light return That is why you won't see us recommending vendors like Blue Nile, as they do not provide images or ASET images for their diamonds. James Allen and Good Old Gold do this. So do Brian Gavin and Whiteflash and High Performance Diamonds. :wavey:
 
Regarding grading. Diamond grading is subjective. I know you don't want to hear that being an engineer.

It is important to remember is that color is graded FACE DOWN. Where there is NO light return. Not face up where there is light return and refraction. You wear diamonds set. FACE UP. AND your lady is not going to wear that F next to the D. So evaluate each stone on it's own merits. Because that's how it will be worn, on it's own, or with sidestones picked to match it and maximize it's positive attributes.

Within one color grade, even the labs can't agree on the color grades of stones and something could be a "high" H or a "low" E. So... yes, when a stone is right at the cusp of one grade or another the graders have to make the best call they can. GIA does their grading by majority rules. They have different graders look a stone and give their opinion and when this is a disagreement on the color grade, majority rules. W


If you are talking fancy shapes without ideal light return (because there is no 'ideal' for EC's Radiant, etc) it's a bit different.

YES. If you have an accurately graded D and an F THAT HAVE THE SAME PERFORMANCE you are going to be able to tell them apart when you compare them side by side. Because they are different color grades. Just like you would be able to tell if you painted your walls a warm white, but painted the crown molding a cold/straight white. But both are STILL white, you only see the contrast because of the proximity.

I want you notice all the qualifiers thought. I'm talking about stones with the SAME performance. An F with great light return will beat out a D that has compromised light performance from a poor cut. And since we don't know how good or bad the cut is of the stones you are considering it is hard to tell if what you are seeing is a result of performance or color.

NOTHING impacts the appearance of a diamond as much as cut. CUT is king.

You want the shinest whitest and brightest diamond out there: Cut is King. No other factor, not color or clarity or anything else impacts how white bright an shiny a stone is.
 
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