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Obvious versus HCA difference

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dymonite

Rough_Rock
Joined
Oct 7, 2002
Messages
49
A question primarly addressed to Cut Nut:

Without any devices, computers or experts - how many lay-people do you think can actually discriminate between a stone with a score < 2 from 2-4.

Put in other words, what are the discirimantory powers of the naked eye of the average person in distinguishing varying grades of cut/brilliance/scintillation/fire?

Although, my desire is to find a stone with a perfect cut (for my own peace of mind) - I am not sure how many people out there could tell the difference or even care.
 

Garry H (Cut Nut)

Super_Ideal_Rock
Trade
Joined
Aug 15, 2000
Messages
18,556
Everyone with reasonable eyesight could tell difference between 1.0 and 4.0.
Maybe 2.5 and 4.0 might be 80:20?

I just showed a 2.2 and 1 and the client could easily see the difference.
 

Silver TypeS

Rough_Rock
Joined
Aug 17, 2004
Messages
10
Garry,

how about 1.4 and 2
 
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