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 need help on HCA & ideascope
P:  2/25/2005 11:23:35 AM  
albetan
albetan

Rough Rock
Total Posts: 14
Last Post: 6/19/2005
Member Since: 1/30/2005
 
 		Hello

For the HCA, understand if i enter the pavilion%, i will need to enter the culet.
for culet=none, do i enter zero ?

anyone know if the idea scope can be used on stone that are already set on a 6prong setting?

thx

 
Posted:  2/25/2005 11:23:35 AM

 There are 2 replies to this message.  There are 2 replies on this page.
P: 2/25/2005 12:19:38 PM
lop
lop

Ideal Rock
Total Posts: 2,651
Last Post: 9/7/2009
Member Since: 6/14/2003
 
 		I would enter 0 and then enter something like .6 to see if it makes much of a difference.  Many reports say none, but the sarin will have the actual size, and it typically is in the .2 - .6 kind of range in my experience.   

You can use an idealscope on set stones, but it is harder to get an accurate reading.  I think the idealscope web site gives you some hints on how to do it with proper lighting to get the best reading. 

Posted:  2/25/2005 12:19:38 PM
P: 2/25/2005 1:53:37 PM
JohnQuixote
JohnQuixote

Ideal Rock
Total Posts: 5,212
Last Post: 5/24/2008
Member Since: 9/9/2004
 
 		If you have crown and pavilion angles rather than % the prediction will be much more accurate.

IS as per lop - Just note that illumination coming from undernath the diamond is what makes it work, so if it's set in a way light can't get in under the pavilion it won't function.

John

__________________________

John Pollard

Whiteflash Director of Education 2004-2007
Posted:  2/25/2005 1:53:37 PM

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