Diamond Screener Tool

[pasc43]

https://www.diamondscreener.com/diamond-prices/

What do you guys think about this tool? Is it useful/ accurate?
Thanks!

 

[SimoneDi]

Interesting concept.. I just tried it out and randomly selected this stone which has a pretty terrible cut: https://www.bluenile.com/diamond-details/LD00003709
so I say the tool can be improved

 

[flyingpig]

I think it is very useful and accurate.

Interesting concept.. I just tried it out and randomly selected this stone which has a pretty terrible cut: https://www.bluenile.com/diamond-details/LD00003709
so I say the tool can be improved

The stone you link has proportions that are AGS Ideal according to both PGS and AGS proportion chart.
It is not a stone that we recommend. But the screening tool is doing for what it is intended, that is to find stone with AGS Ideal proportions.

 

[SimoneDi]

I think it is very useful and accurate.

The stone you link has proportions that are AGS Ideal according to both PGS and AGS proportion chart.
It is not a stone that we recommend. But the screening tool is doing for what it is intended, that is to find stone with AGS Ideal proportions.

Oh opsie, my bad then. Thanks for correcting. I literally looked at it for a second, didn’t like the diamond and called it a day lol

 

[pasc43]

I think it is very useful and accurate.

The stone you link has proportions that are AGS Ideal according to both PGS and AGS proportion chart.
It is not a stone that we recommend. But the screening tool is doing for what it is intended, that is to find stone with AGS Ideal proportions.

What wouldn't you recommend about it?

 

[flyingpig]

What wouldn't you recommend about it?

In general, we recommend a stone with CA 34-35, PA, 40.6-40.9, TB 54~58, and depth less than 62.3
While the stone SimoneDi may have AGS ideal proportions, the proportions are outside the ideal ranges. Therefore, it is not a stone that many recommend, unless you have a specific taste for a stone with a large table and flat crown.

 

[denverappraiser]

Useful for what?

I looked at a few more-or-less random stones that were reported to be AGS-Ideal and none were AGS at all. Are you talking about the pre-2005 AGS proportion charts? If so, why do you care?

 

[flyingpig]

Useful for what?

I looked at a few more-or-less random stones that were reported to be AGS-Ideal and none were AGS at all. Are you talking about the pre-2005 AGS proportion charts? If so, why do you care?

I was able to quickly narrow down potential candidates and find a well cut 1.0c I VS2 and 2.0c H VS2 with certain budgets. It is alot better than navigating thru two different websites and database. BN, in particular, is just a PITA to use. So, in this regard, it is useful for me.

Regarding the pre-2005 charts, why would you not care?

 

[oldminer]

You can do some useful screening with this one on Pricescope.
https://www.pricescope.com/tools/AGA_NAJA_Cut_Class_Grader

With round diamonds, the very top classification of 1A is centered tighter than AGS000 and 1B is primarily within the GIA Tripe EX range. It is a parametric Tolkowsky based system extended to cover most shape diamonds except cushion cut. It helps eliminate wasted shopping time for those who want better to finely cut diamonds. Most all of diamond which grade 2B or better will have a very good "look". Many popular diamonds, but with more budget in mind go into the 3 range, but those do have compromises in overall cut quality more than those in 1 or 2 classifications.

Remember, this is a screening tool, not a selection tool. It may eliminate some nice diamonds, but it will mostly select those worth investigating more.

 

[denverappraiser]

Regarding the pre-2005 charts, why would you not care?

AGS abandoned that approach more than a decade ago because it didn't fit currently available tech. Since then, GIA has introduced their own system, which is better, and AGS has introduced a new one that I find to be better still. It's not that it's a useless scale but if the goal is to define a well-cut stone in the modern sense, I'm not sure it's telling you what you want it to. In particular, it's not telling you what is the 'most excellent' within the GIA-x range, and that seems to be the objective.