Directionality of different cuts?

[Garry H (Cut Nut)]

Indeed. The Octonus model looks outstanding and performs well thru tilt.

AGSL does not currently cut grade ALL facet configurations. Only the ones that fall into their already developed algorithms. Certain configurations may require R & D and a taylor made set of metrics. All are possible in their system, but the demand may not be there for some configurations.

The point Bryan.
AGS rock in one orientation only.
for fancies they need a way more complex rocking set of orientations

 

[AV_]

- throw in Size as a variable

For my stated preference above, five mm; what I have in mind is archaic pave of such diamonds or using metal backing, in slight movement [ @diagem - your latest suite].

... degrees.

Perhaps this range of movement where brilliance ought to be, could be defined in relation with crown height [& perhaps other details of thhe crown] - a flat face stone dissapears at 90 degress tilt, a tall rose just comes into its own, & inbeetween. The AGSL number seems related to a range of H&A [off the cuff.]


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I am very keen on this discussion & ever less able to follow up ,(

 

[OoohShiny]

Nice IG from Yoram that I think relates to directionality

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