The 4 C’s

Diamond Shapes

Diamond shapes are quite different between each other and the quality is determined by its unique characteristics.


Round diamond is by far the most sought and popular shape. For almost 100 years, diamond cutters have experienced with the most advanced theories of light behaviour and precise optical calculations to optimise glow and brightness in a round diamond.


Within the no round diamond group Princess cut is one of the most popular shapes. It’s one of the favorites for engagement and wedding rings. Traditionally it has a square shape although it may present rectangular shape also.

For a square Princess cut, the ideal Lenght to Width ratio is from 1.0 to 1.05. If the choice is a rectangular princess cut, the ideal is ratio over 1.10


Emerald cut stands out for its pavilion with rectangular facets to create a unique optical appearance. Due to its wide and open table this cut highlights the clarity of a diamond.

For a classical emerald cut, the ideal is a Lenght to Width ratio between 1.30 and 1.40.


This beautiful shape is almost identical to the emerald cut, except it is square and with rectangular facets on the pavilion.

Ideal Lenght to Width ratio between 1.00 and 1.05


Marquise or Navette cut maximises weight in carats, giving the appearance of a much larger diamond.

The ideal Marquise ratio is between 1.75 and 2.20.


Oval shape has a beautiful glow similar to the round brilliant.

The ideal ratio for this shape is between 1.33 and 1.66.


Rounded corners are the hallmark of this cut and when it comes to its use in jewelry it’s highly versatile.

The ideal ratio for the square Radiant cut is between 1.00 and 1.05 and for a more rectangular shape is above 1.10.


Pear cut is a highly required choice in jewelry with a rounded tip and a sharp opposite.

The ideal ratio is between 1.45 and 1.75.


Heart cut is a must in jewelry, the quintessential symbol of love.

The ideal for this shape is a ratio between 0.90 and 1.10.


This cut has rounded corners and bigger facets to increase the brightness.

The ideal ratio is between 1 and 1.05 when square. But for a rectangular shape the ratio should be above 1.15.