Abstract: A new method of cutting a gemstone such as a diamond, known as the “Galush” cut, is provided. According to an embodiment of the invention, the “Galush” cut gemstone has a crown portion, a pavilion portion and a girdle portion provided between the crown portion and pavilion portion. The crown portion includes an upper surface having a shape configured by first, second and third boundaries, which form a perimeter around the crown of the gemstone. Each of the first and second boundaries has first and second ends, and the third boundary is arc-shaped having first and second edges. The first and second edges of the arc-shaped boundary adjoin the first end of each of the first and second boundaries and the second end of each of the first and second boundaries meet at a common tip.

Abstract: A new method of cutting a gemstone known as the “Riemer” cut is provided. The gemstone has a crown portion, a pavilion portion characterized by having four main pavilion facets and a culet base and girdle portion provided between the crown portion and pavilion portion. The main pavilion facets are integrally formed with the culet base thereby creating a pavilion facet base. The “Riemer” cut is applicable to all shapes of stones including round, square, oval, marquise, pear-shaped and rectangular diamonds.