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Author Topic:   princess cut question
repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-21-2001 09:25 PM    
Buying a princess cut 1.71 depth 67% table78%.vs1 f color.my question is should you be able to see shadows from facets.is this normal.to me it looks like inclusions.price 11'100.thanks.

 
leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 06-21-2001 09:46 PM    
Hi Repete7,

Could it be a reflection of your own head? From what distance do you observe the diamond?

The price sounds about right. In the Internet you could get it a bit cheaper. Does it have a lab report?
 

repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-22-2001 03:26 PM    
GIA cert..I'm looking at it under indoor lightabout a foot away.

 
leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 06-22-2001 04:35 PM    
Good. Do you see any changes with the "shadows" if you get closer/far from the stone?

Frankly, I've never heard of shadows from facets... In pear, oval or marquise shapes one can see a bow-tie effect but not in princess.
 

repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-23-2001 12:34 PM    
when you move the ring up and down,side to side the "shadows"dissapear.also if i look at it outside it looks alot better.is it possible it's picking up reflections from around it?

 
leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 06-23-2001 12:42 PM    
quote:
Originally posted by repete7:
is it possible it's picking up reflections from around it?

It is not only possible, it is what really happens. When you view the diamond from a short distance it picks up the colors of your hears, clothes, etc.

Try this simple experiment. Take a white paper sheet and make a small hole. Look at your diamond through this hole. Would you be able to see the shadows?


 

repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-23-2001 01:08 PM    
no...no shadows

 
leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 06-23-2001 06:33 PM    
Bingo! It is your own shadows then.

Does it still bother you?
 

repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-23-2001 06:43 PM    
I guess i'm too picky.the shadow to me looks like an inclusion.i know it's not because the stone is a vs1.I think I should get over it.I think I'm driving myself and the jeweler nuts.

 
leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 06-23-2001 06:57 PM    
Repete7, no wonder you're picky when you spent quite a few bucks.

If it bothers you, I'd recommend to check the stone with knowledgeable independent gemologist. Or send the diamond to David Atlas ( www.gemappraisers.com ) who is the expert in fancy shapes.

[This message has been edited by leonid (edited 06-23-2001).]
 

repete7
rough rock

Posts: 6
From:
Registered: Jun 2001

posted 06-26-2001 08:02 PM    
thanks alot for the info.i looked at it outside in the sun,it's perfect...

 
u41f
rough rock

Posts: 1
From:
Registered: Jul 2001

posted 07-01-2001 03:52 PM    
Leonid,

I just got a princess and it seems to have shadow too. When I pus on a white paper there seems to be four dark spot on each side of diamond. But on a black cloth in the tube the shadow disappear. After follow your instruction shadow seems to disappear. However, I still not very comfortable because the diamond is kind of shallow.
It's a 0.66CT depth 60.6% and Table 74%. GIA. Do you think the depth could contribute to this shadow too?.

Thanks in advance.
U41F

 

leonid
Moderator

Posts: 574
From:Toronto, Ontario
Registered: Jul 2000

posted 07-01-2001 07:13 PM    
U41f, 60.6% depth is not too shallow. The table and total depth belong to 2B AGA class.

There are other factors though that can affect appearance of the diamond (e.g. crown and pavilion)

Usually princess cut is deeper than round (see www.drostes.com/princess-depth.html ). On the other hand deeper diamond looks smaller for its weight.

Reflection of the observers head is not necessary a negative factor. For instance, one can see pleasant dark arrows in Hearts and Arrows round diamonds because of this effect.

 



 
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