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EXPERT ADVICE NEEDED FOR HCA

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in_need_of_help

Shiny_Rock
Joined
Oct 30, 2003
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From: Source data for HCA: %’s vs angles

The Ogi method measure dimensions best, but is less accurate for angles because it measures ‘meet points’ and ‘joins the dots’ to calculate the angles.
Sarin is more accurate for HCA purposes because it measures the angles directly and ‘constructs’ the diamond.

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"The Ogi method measure dimensions best..." Does dimensions refer to crown and pavil depth %s?

If one has an OGI report, is it still better to use angle as opposed to depth percentage for the HCA?

Thanks!
 
yes always use the angles if you can get them
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