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3 CT GOOD OR BAD CUT

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big rocker

Rough_Rock
Joined
Jul 9, 2009
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I am so close to closing a deal on a 3ct diamond from NYC, however the pricescope cut advisor is backing me away.
3.00 round
H VS2
Cut VG
Pol VG
Sym VG
GIA Cert
Flor None
Cult None
t 59%
d 62.8%
c 35.5 o
p 41.2 o

Big Question Will I really notice the difference in the sparkle if one or two % or degrees change?

There is an online 3.01 with the following however it is 4k higher.
3.01 round
H VS2
Cut VG
Pol Ex
Sym G
Flor None
Cult None
GIA
T 58%
D 60.9%
C 36 o
P 40 o
28.gif
 
how thick are the girdles? the diameters are??
 
You are so right about the mind clean. here is the additional data. thks

I am so close to closing a deal on a 3ct diamond from NYC, however the pricescope cut advisor is backing me away.
3.00 round
H VS2
Cut VG
Pol VG
Sym VG
GIA Cert
Flor None
Cult None
t 59%
d 62.8%
c 35.5 o
p 41.2 o
gridles medium - thick
9.08-9.10 5.71

Big Question Will I really notice the difference in the sparkle if one or two % or degrees change?


There is an online 3.01 with the following however it is 4k higher.
3.01 round
H VS2
Cut VG
Pol Ex
Sym G
Flor None
Cult None
GIA
T 58%
D 60.9%
C 36 o
P 40 o
Girdles very thin to slightly thick
9.22-9.32 -5.65
 
Date: 7/9/2009 10:32:07 PM
Author: big rocker

You are so right about the mind clean. here is the additional data. thks

I am so close to closing a deal on a 3ct diamond from NYC, however the pricescope cut advisor is backing me away.
3.00 round
H VS2
Cut VG
Pol VG
Sym VG
GIA Cert
Flor None
Cult None
t 59%
d 62.8%
c 35.5 o
p 41.2 o
gridles medium - thick
9.08-9.10 5.71

Big Question Will I really notice the difference in the sparkle if one or two % or degrees change?



There is an online 3.01 with the following however it is 4k higher.
3.01 round
H VS2
Cut VG
Pol Ex
Sym G
Flor None
Cult None
GIA
T 58%
D 60.9%
C 36 o
P 40 o
Girdles very thin to slightly thick
9.22-9.32 -5.65
don''t like the girdle on either one of these
5.gif
 
Date: 7/9/2009 10:32:07 PM
Author: big rocker

You are so right about the mind clean. here is the additional data. thks

I am so close to closing a deal on a 3ct diamond from NYC, however the pricescope cut advisor is backing me away.
3.00 round
H VS2
Cut VG
Pol VG
Sym VG
GIA Cert
Flor None
Cult None
t 59%
d 62.8%
c 35.5 o
p 41.2 o
gridles medium - thick
9.08-9.10 5.71

Big Question Will I really notice the difference in the sparkle if one or two % or degrees change?



There is an online 3.01 with the following however it is 4k higher.
3.01 round
H VS2
Cut VG
Pol Ex
Sym G
Flor None
Cult None
GIA
T 58%
D 60.9%
C 36 o
P 40 o
Girdles very thin to slightly thick
9.22-9.32 -5.65

The second one has more unusual proportions and falls within fiery ideal cut range ( FIC), it might be worth consideration...Could you get an Idealscope image for it? Also you would need to check the very thin part of the girdle isn''t an issue, it isn''t always the case but best to check.

I would pass on the first diamond, what we call a steep deep with the angles, very likely to show light leakage.
 
Yes, the slight difference in proportion has great influence on the character of the stone.

Definitely forget about the first stone.

#2 might be good, might have obstruction issue or might not depending on other numbers and optical symm of the stone. If we can see an Idealscope image of it, that will tell us more. Is the vendor able to supply that?
 
To further explain obstruction which might not be the case with the second diamond, this is where a diamond can darken when viewed at close scrutiny due to the viewer's head/ body blocking the light to the diamond. If you can see the diamond in person you could check it yourself, even if so it might not be an issue anyway and actually comparing a fiery ideal cut and a different type of well cut stone in person ( not the first one, that isn't well cut), there really isn't a huge difference between them - nothing dramatic anyway to my eyes and I have looked at lots of diamonds and have been fortunate to see a fiery ideal cut in person when comparing. If the diamond is online an Idealscope image would be very helpful.

Also I forgot to mention earlier, can you post the star and lower girdle facet percentages for the second diamond please? That would be very useful to know, it will be on the grading report.
 
Both stones state (faceted) under the girdle description and I think the star measurement are
#1 Top 55% Bottom 75%
#2 Top 50% Bottom 80%

The second stone is on listed with an online dealer in brooklyn.
 
Date: 7/10/2009 9:18:04 AM
Author: big rocker
Both stones state (faceted) under the girdle description and I think the star measurement are
#1 Top 55% Bottom 75%
#2 Top 50% Bottom 80%

The second stone is on listed with an online dealer in brooklyn.
Thanks! Actually thats good that the lowers on #2 are longer. Can you ask the dealer for an Idealscope image? They might be able to supply one on request.
 
I have requested the info on the idealscope The % on thr crown & prov are

#1 14.5 & 44

#2 16 & 42

# 1 is losing steam
 
Date: 7/10/2009 11:39:39 AM
Author: big rocker
I have requested the info on the idealscope The % on thr crown & prov are

#1 14.5 & 44

#2 16 & 42

# 1 is losing steam
I think thats best, if we can get an IS image for the second one then we can go from there.
 
no IS available. Any other suggestions?
 
What is your budget?
 
I was in the 30 to 34 k range
 
Date: 7/10/2009 2:44:11 PM
Author: big rocker
no IS available. Any other suggestions?

If you let us know the budget for the diamond we can look for some suggestions for you? Big diamonds aren't plentiful but we can see what is out there or what might be suitable, is it possible you can see the second one in person?

Ok 30 - 34k - I will take a look for you!

http://www.whiteflash.com/hearts_arrows/Whiteflash-ACA-cut-diamond-1103736.htm see if this one is eyeclean

http://www.jamesallen.com/diamonds/I-SI2-Ideal-Cut-Round-Diamond-1164011.asp?b=16&a=12&c=77&cid=131

http://www.jamesallen.com/diamonds/I-VS2-Ideal-Cut-Round-Diamond-1248359.asp

You would definitely need to ask for an Idealscope for the 2 James Allen diamonds above and check the SI2 is eyeclean.

Also contact www.briangavindiamonds.com all their inventory isn't up yet but you could ask them what they have in stock that might suit you.
 
I kind of set my min as follows

GIA cert
H
Vs2
 
Date: 7/10/2009 3:02:31 PM
Author: big rocker
I kind of set my min as follows

GIA cert
H
Vs2
Ok I will take another look, there isn't much out there though for the budget anyway and to get H and VS2 might present more of a challenge, but I will look for you using a different approach. AGS are along with GIA a reputable lab also so I would definitely consider a diamond with an AGS report also.

This one would have to be called in by WF, it would definitely need careful evaluation by them but if it checked out it could be a possibility, it isn't cut to top standards but appears to be a well cut stone.

http://www.whiteflash.com/round/Round-cut-diamond-2145541.htm#

It is a little over 35k if you paid with a bank wire.
 
AGS cert is just as good, better in Cut grade, as GIA.
 
in HCA thr diamond is a 2.9 Thw Whitehall is a 1.1
 
it reads as a 1.9 on the HCA cut. Is that good or bad?
 
Date: 7/10/2009 3:15:56 PM
Author: big rocker
it reads as a 1.9 on the HCA cut. Is that good or bad?
Its fine a score of 1.9, the aim is to score below 2, the HCA is used for rejection not selection, once it says a diamond scores below 2 its job is done then we move onto images such as IS to learn more. If you are interested in this diamond what you would need to do is to contact WF and ask them about it, if they could call it in for evaluation. There can be shipping fees involved as is usual when the vendors call in an outside stone, Whiteflash will be able to tell you how much and how to proceed.
 
I was under the impression that GIA was the most informative inspection reoprt\company. Who is AGS and why are there evaluation better than GIA? Besides Cut, do they measure the other C''s in the same manner?
 
Date: 7/11/2009 11:10:36 AM
Author: big rocker
I was under the impression that GIA was the most informative inspection reoprtcompany. Who is AGS and why are there evaluation better than GIA? Besides Cut, do they measure the other C's in the same manner?

AGS are not as well known as GIA it would seem, but they are considered to be on an equal footing for colour and clarity grading and their cut grade is said to be more strict.

AGS stands for American Gemological Society, their highest cut grade is the coveted AGS0. The page below goes into more detail.

http://diamonds.pricescope.com/grading.asp
 
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