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bram77

Rough_Rock
Joined
Aug 29, 2002
Messages
5
i ran the HCA using angles(crown & pavilion)i get a 1.5
but when i rerun using %(crown & pavilion) i get a .9
shouldn't the results be the same? Is there something wrong with the diamond? t=55, td=61.8, c angle 34.9, pav angle 40.9, crown % 15.5,
pav % 43, culet 0

i ran the test on another diamond, and both tests (using % & angles)resulted in the same number.

i hope i never have to buy another diamond.

thanks to all who replied to my other question & those who will reply to this one.

bram
 

pricescope

Ideal_Rock
Joined
Dec 31, 1999
Messages
8,266
This is known fact, Bram77. We recomend using ANGLES because Sarin measures them more accurately. HCA translates depth % into angles anyway using simple trigonometric formulas.

Depth % also depends the way girdle is measured and whether culet is not zero.
 
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