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Here are some diamond size reference pics

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stebbo

Shiny_Rock
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As requested in another thread, here are some pictures giving an indication of round and princess sizes (including melee sizes) on an average sized hand (thank you dear for giving your hand twice). All AGA-1A proportions.





Stebbo
 

poptart

Brilliant_Rock
Joined
May 23, 2006
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1,899
Do you have any idea how long I have been looking for something JUST like this??? Of course you don''t... but thank you!

*M*
 

Ellen

Super_Ideal_Rock
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24,426
Great idea, however, putting stones that far up the finger (where it is smaller) won''t give the true picture.
 

belle

Super_Ideal_Rock
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Date: 1/16/2007 7:50:09 PM
Author: Ellen
Great idea, however, putting stones that far up the finger (where it is smaller) won''t give the true picture.
hahaha...i was just thinking the same thing.
thanks for putting forth the effort stebbo!
 

Lynn B

Ideal_Rock
Joined
May 9, 2004
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5,609
WOW, that''s very cool! (And helpful, too!) Thanks for all your hard work with that.

Now... I''ll take the 10 carat round, please, sir. Sir?!
 

stebbo

Shiny_Rock
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Date: 1/16/2007 7:50:09 PM
Author: Ellen
Great idea, however, putting stones that far up the finger (where it is smaller) won't give the true picture.
The pics here are more for seeing the diamonds relative to each other in a single glance with the hand and finger more for scales of reference. Very hard to give a true picture due to varying finger lengths/widths, diamond spreads, etc but I hope they give a useful approximation.

Stebbo
 

Finding_Neverland

Shiny_Rock
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Jan 10, 2007
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412
Really kewl!! And your work is greatly appreciated, Stebbo!!
 

Cehrabehra

Super_Ideal_Rock
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Jun 29, 2006
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11,071
oooh great fun thanks!! an instant classic! :D nice hands too!!! thank you!
 

yeewl

Shiny_Rock
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Sep 10, 2002
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192
Thanks for the chart. It''s very helpful as it will give me a fair idea of the carat size on the finger..
:)
 

Maisie

Super_Ideal_Rock
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Dec 30, 2006
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12,578
I dunno if its just me but the .50 princess looks bigger than the .75......
 

DillPickle

Rough_Rock
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Aug 23, 2006
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I agree with above, though I''m sure the intent was to have the labels on the .5 and .75 switched.
 

kenny

Super_Ideal_Rock
Premium
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Apr 30, 2005
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28,211
Cool!

Is this for ideal cuts or for the more typical steep deep cut stones?

Or, are they so close that it doesn't matter?

I'd love to see asscher sizes too.
 

stebbo

Shiny_Rock
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466
Date: 1/17/2007 7:57:48 AM
Author: Maisiebelle
I dunno if its just me but the .50 princess looks bigger than the .75......
Date: 1/17/2007 12:14:56 PM
Author: DillPickle
I agree with above, though I''m sure the intent was to have the labels on the .5 and .75 switched.
Ha ha, you''re right - picture updated. Thanks. (You may have to refresh your cache to see (usually Ctrl-F5).)

Stebbo
 

stebbo

Shiny_Rock
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Jun 8, 2006
Messages
466
Date: 1/17/2007 2:07:05 AM
Author: kcoursolle
Very cool!!! Any idea what size hand she has?? I would guess 6.5??
Date: 1/17/2007 1:46:38 PM
Author: Class n Sass
This is great!!! What size hand is this?
Size 6.5 is correct.

Stebbo
 

stebbo

Shiny_Rock
Joined
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466
Date: 1/17/2007 12:34:18 PM
Author: kenny
Cool!

Is this for ideal cuts or for the more typical steep deep cut stones?
Yep, all ideal cuts.

Or, are they so close that it doesn''t matter?
So close that from the viewing distance of the hand here, the resolution wouldn''t be able to show any meaningful difference for the typical steep/deep. But, here are some thoughts:

It''s typically said that the average person needs a diamond to increase in weight by 20% to notice it without reference to other diamonds. This is due to that 20% being dispersed all around the diamond, whereas we only see the resulting 6% change in diameter.

Even though I think this is a bit overstated (we can easily notice when a person puts on 20% weight without a ''before'' picture), if we take an extremely bad steep/deep, let''s say 70% total depth (an AGS-10), the physical diameter would only be 3% smaller than an Ideal cut.

This 3% however is nothing compared to the loss in apparent diameter due to poor light performance (optical spread), especially with the dark perimeter.

The typical steep/deep though is not as bad in light performance, nor will it suffer as much loss in physical diameter. And still, further optical diameter can be saved if open-mounted up high so that light from below lights up the otherwise dark perimeter.


I''d love to see asscher sizes too.
Ok, I know the thumb''s empty, but the hugely different optical spreads between Princesses and Asschers over the range available make it meaningless to show, especially in such a small resolution. The Princess sizes are as close as estimation as any.

Stebbo
 

pyramid

Ideal_Rock
Premium
Joined
Nov 10, 2002
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4,607
Anyone have a comparison picture of a 0.25, a 0.33, a 0.40 and a 0.50. I notice although these are smaller stones we hardly see the third carat (0.33) mentioned nowadays.
 
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