Tolkowsky/"American Ideal" cut: school me please!

[seedslinger]

I am looking for some info regarding the Tolkowsky Ideal cut. My question is how does it differ from a modern round brilliant?

Is the TIC just a modern RB cut to Tolkowskys percentages? Or are there inherent differences in the facets and such that make it significantly different than a MRB beyond the depth and table percentages? Like the difference between a MRB and a OEC?

Also, any recommendations on where to find TICs?

Thanks.

 

[tyty333]

You can learn about TIC here. Stones that are TIC usually are RB. Not sure if any other round shape might be able
to fit the standards.
https://www.pricescope.com/wiki/diamonds/tolkowsky-ideal-cut-diamond

You can use the HCA tool to evaluate stones. At the bottom it will tell you if it is TIC.
https://www.pricescope.com/tools/hca


I would think that ACAs are TIC stones (Whiteflash) and BGD signature stones also.
http://www.whiteflash.com/about-diamonds/diamond-education/whiteflash-a-cut-above-super-ideal-diamonds-919.htm
http://www.briangavindiamonds.com/diamond/brian-gavins-hearts-and-arrows/

All vendors will probably have some stones that are TIC.

Hope this helps.

 

[seedslinger]

You can learn about TIC here. Stones that are TIC usually are RB. Not sure if any other round shape might be able
to fit the standards.
https://www.pricescope.com/wiki/diamonds/tolkowsky-ideal-cut-diamond

You can use the HCA tool to evaluate stones. At the bottom it will tell you if it is TIC.
https://www.pricescope.com/tools/hca


I would think that ACAs are TIC stones (Whiteflash) and BGD signature stones also.
http://www.whiteflash.com/about-diamonds/diamond-education/whiteflash-a-cut-above-super-ideal-diamonds-919.htm
http://www.briangavindiamonds.com/diamond/brian-gavins-hearts-and-arrows/

All vendors will probably have some stones that are TIC.

Hope this helps.

It completely helps.

Correct me if I am wrong, but it seems that a TIC is a MRB, cut to the standards (i.e. percentages of table and depth), that Tolkowsky suggested; not a different "cut."