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 And the winner is.......

P:  5/10/2006 6:38:45 PM  
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
Hey everyone, I would appreciate help choosing the best of the following diamonds, based on their certs.  Anyone willing to help, I thank you in advance.

They are as follows:

1.  Report: GIA
Shape: Round Ideal Cut
Clarity: SI1
Depth: 61.6
Table: 55
Crown Angle: 35
Crown %: 15.6
Pavilion Angle: 41.1
Pavilion %: 43.5
Girdle: Thin to Medium-Faceted
Polish: Excellent
Symmetry: Very Good
Culet: None
Fluorescence: None

2.  Report: AGS
Shape: Round Ideal Cut
Clarity: SI1
Depth: 60.1
Table: 57
Crown Angle: 34.6
Crown %: 14.9
Pavilion Angle: 40.7
Pavilion %: 42.9
Girdle: Thin to Medium Faceted
Polish: Excellent
Symmetry: Excellent
Culet: Pointed
Fluorescence: None


3.  Report: AGS
Shape: A Cut Above H&A
Clarity: SI2
Depth: 60.1
Table: 56
Crown Angle: 34.8
Crown %: 15.2
Pavilion Angle: 40.7
Pavilion %: 42.8
Girdle: Thin Faceted
Polish: Ideal
Symmetry: Ideal
Culet: Pointed
Fluorescence: None


4.  Report: AGS
Shape: A Cut Above H&A
Clarity: SI1
Depth: 60.1
Table: 55.3
Crown Angle: 34.6
Crown %: 15.4
Pavilion Angle: 40.6
Pavilion %: 42.8
Girdle: Thin to Medium
Polish: Ideal
Symmetry: Ideal
Culet: Pointed
Fluorescence: None

I prefer number two, I think, based on what I know.  I think.
Posted:  5/10/2006 6:38:45 PM

 There are 21 replies to this message.  There are 21 replies on this page.

P: 5/10/2006 6:42:43 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
Get rid of 1. Please post idealscopes for 2, 3, and 4.

Posted:  5/10/2006 6:42:43 PM
P: 5/10/2006 6:44:26 PM
KristyDarling
KristyDarling

Ideal Rock
Total Posts: 2,918
Last Post: 10/6/2009
Member Since: 7/27/2005
 
I like #2, as long as it's eye clean. Angles on 2-4 look good but #2 is spreadiest. And I think faceted girdles are nice.

Posted:  5/10/2006 6:44:26 PM
P: 5/10/2006 6:46:55 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
KD, can you explain to me how you know #2 is the spreadiest? 

Posted:  5/10/2006 6:46:55 PM
P: 5/10/2006 6:51:49 PM
sunkist
sunkist

Ideal Rock
Total Posts: 2,720
Last Post: 11/23/2009
Member Since: 11/15/2005
 
They're all really close. Just looking at #s I'd rank it #3, 2, 4, 1.

Posted:  5/10/2006 6:51:49 PM
P: 5/10/2006 6:53:11 PM
KristyDarling
KristyDarling

Ideal Rock
Total Posts: 2,918
Last Post: 10/6/2009
Member Since: 7/27/2005
 
Date: 5/10/2006 6:46:55 PM
Author: JulieN
KD, can you explain to me how you know #2 is the spreadiest?
The table percentage. (someone correct me if I'm wrong!)

Posted:  5/10/2006 6:53:11 PM
P: 5/10/2006 6:58:10 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
So say you have a 34.5 CA on two stones, and then a 56% T and a 58%T.  That means that the 58% was "chopped off" sooner than the 56%, meaning that the CH is less on the 58%... and then how do you extrapolate that to more spread?

ETA (more rambling): so if the CH is less on my stone 2 (58T) and keeping depth, girdle, and carat constant, that means that the PH must be deeper on the 58%.

In the case of MightyTower's stones, depth and PA are pretty constant, with T and CA (and correspondingly, CH) being different....

Anyway, point is: I am not sure you can't just look at 58T and 56T and say, 58 is spreadier.  I think you have to know...everything else.

Posted:  5/10/2006 6:58:10 PM
P: 5/10/2006 7:14:14 PM
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
This has me in over my head.  CH, TA, I don't understand.  I don't know what spreadiest means. 

Posted:  5/10/2006 7:14:14 PM
P: 5/10/2006 7:19:44 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
CH-crown height
T-table
CA-crown angle
PA-pavilion angle
PH-pavilion height

Spread is the the face-up area of the stone.

I can't choose between 2-4 just by numbers.  Defintely need Idealscope.  If you want me to pick the best deal (assuming they're all eyeclean) I need prices and dimensions (spread)

Posted:  5/10/2006 7:19:44 PM
P: 5/10/2006 7:20:09 PM
strmrdr
strmrdr

Ideal Rock
Total Posts: 23,296
Last Post: 10/9/2009
Member Since: 11/1/2003
 
2 3 and 4 have the same depth so for any given weight they would be close to the same spread.

spread is weight for diameter.
For example a 1ct stone that is 6.5mm wide would have better spread than one that is 1ct and 6.4mm wide.

There isnt enough info to pick from them.
Need to know which is eyeclean and get IS images.

........... Karl has joined the diamond trade and is now posting as Karl_K

Posted:  5/10/2006 7:20:09 PM
P: 5/10/2006 7:35:08 PM
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
Number 2:  http://www.whiteflash.com/diamonds/certificate.aspx?idno=2362028&file_name=3

Number 3:  http://www.whiteflash.com/diamonds/certificate.aspx?idno=2362001&file_name=3

Number 4:  http://www.whiteflash.com/diamonds/certificate.aspx?idno=2361999&file_name=3

Three and four look identical to me.  I've been told some white is good, too.  So I can't tell which is better, based on these images. 

Even though Number 1 was booted, here's the image of it:  http://www.whiteflash.com/diamonds/certificate.aspx?idno=1180496&file_name=3

Posted:  5/10/2006 7:35:08 PM
P: 5/10/2006 7:47:02 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
1    2
3    4
 

 

Posted:  5/10/2006 7:47:02 PM
P: 5/10/2006 7:50:25 PM
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
Number 2 has the darkest triangle areas in between the longer rays shooting out from the center.  Does that mean it has the best cut?  Am I looking for more white, more dark, or more defined image patterns?

Posted:  5/10/2006 7:50:25 PM
P: 5/10/2006 7:51:08 PM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
sorry, made a mistake


 

 

Posted:  5/10/2006 7:51:08 PM
P: 5/10/2006 7:52:28 PM
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
Number three looks so clear, like stained glass.  Is that a good thing?

Posted:  5/10/2006 7:52:28 PM
P: 5/10/2006 7:56:56 PM
Dancing Fire
Dancing Fire

Ideal Rock
Total Posts: 10,227
Last Post: 11/24/2009
Member Since: 4/3/2004
 
Julie
3 and 4 looks like the same IS.  

it is always harder to find a "mind clean" stone than a eye clean stone.

Posted:  5/10/2006 7:56:56 PM
P: 5/10/2006 7:57:04 PM
belle
belle

Ideal Rock
Total Posts: 10,287
Last Post: 4/3/2008
Member Since: 11/19/2004
 
any of those are going to be amazing.  you would not be able to tell them apart in normal lighting conditions.  best of luck in your decision!  you won't be disappointed in whichever you choose.



(*•.¸(`*•.¸¸.•*´)¸.•*)
¨`•.¸ *belle*¸.• ´¨
(¸.•*(¸.•*´ `*•.¸)*•.¸)

Posted:  5/10/2006 7:57:04 PM
P: 5/11/2006 1:24:18 AM
KristyDarling
KristyDarling

Ideal Rock
Total Posts: 2,918
Last Post: 10/6/2009
Member Since: 7/27/2005
 
Yup, I'll agree with Belle. They will all be knockouts! In terms of light performance, only like 8 people in the world would be able to tell the three apart with the naked eye!

Posted:  5/11/2006 1:24:18 AM
P: 5/11/2006 3:00:11 AM
Dancing Fire
Dancing Fire

Ideal Rock
Total Posts: 10,227
Last Post: 11/24/2009
Member Since: 4/3/2004
 
Date: 5/10/2006 7:56:56 PM
Author: Dancing Fire
Julie
3 and 4 looks like the same IS.
Julie
thanks for the IS edit

it is always harder to find a "mind clean" stone than a eye clean stone.

Posted:  5/11/2006 3:00:11 AM
P: 5/30/2006 11:53:20 PM
mightytower
mightytower

Rough Rock
Total Posts: 6
Last Post: 5/30/2006
Member Since: 5/10/2006
 
Thanks for all your help, ladies.  I appreciate it.  I'm confident that I made a good choice based on the things I've learned from you kind people.  Thank you so much!!

Posted:  5/30/2006 11:53:20 PM
P: 5/31/2006 12:38:26 AM
JulieN
JulieN

Ideal Rock
Total Posts: 7,150
Last Post: 11/25/2009
Member Since: 7/25/2005
 
ladies + Dancing Fire and Strm!

Don't forget to post pics in SMTR. 

Posted:  5/31/2006 12:38:26 AM
P: 5/31/2006 10:55:48 AM
aljdewey
aljdewey

Ideal Rock
Total Posts: 8,236
Last Post: 2/11/2008
Member Since: 11/25/2002
 
Date: 5/10/2006 6:53:11 PM
Author: KristyDarling


Date: 5/10/2006 6:46:55 PM
Author: JulieN
KD, can you explain to me how you know #2 is the spreadiest?
The table percentage. (someone correct me if I'm wrong!)

Ok...... 

It's not the table.  "Spread" is the diameter of the stone (edge to edge) relative to its weight.

Poorly cut 1 ct. stones often only have a diameter of 6.2-6.3mm.  Well cut 1 ct. stones have a diameter of approximately. 6.5mm.

In both cases, the stone weighs 1 ct., but the well-cut one has better spread (diameter) for the weight.

_____________________
Note: Chainsaw Not Sold Separately.

Posted:  5/31/2006 10:55:48 AM

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