Round vs Pricness Cut : Size vs Weight

[horseyride]

Is there a table which shows the relative size (width vs diameter) of princess and round cut diamonds based on their weight (ideal cuts)?

Adam

 

[pricescope]

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[horseyride]

1.0 and 1.8 carats. thanks

 

[pricescope]

Round: Tolkowsky proportions with 56% table and medium girdle:

1.0 ct - 6.46 mm diameter
1.8 ct - 7.93 mm diameter

Princess: AGS class 1A, 65% Table, medium girdle

1.0 ct - 5.57 x 5.57 x 4.08 mm
1.8 ct - 6.78 x 6.78 x 4.96 mm