Forms of Cutting. 



Plate II. 



Brilliant Forms, la, b, c. Double-cut. 2a, b, c. English double-cut (double-cut brilliant witb star). 



3 a', b, c. Triple-cut, old form. 4 a, b, c. Triple-cut, new form, round. 5 b, c. The same, oval. 



6b, c. The same, pear-shaped. 7 a, b, c. The same, triangular. 8a. Half- brilliant. 



