Bow Tie Effect Oval Cut Diamond

Oval Cut diamonds: The bow tie effect

The Oval Cut has been one of the most loved diamond shapes since it was introduced in the 1960s as an alternation option to the Round Brilliant diamond. A lot of women opt for an Oval Diamond engagement ring, as it gives the illusion of length and it boasts a stunning amount of brilliance. 

One of the best qualities of this diamond is the fact that it reflects light in a stunning manner. What makes it differ from a Round Brilliant is the fact it has four, six, or eight pavilion cuts. As the shape differs significantly, there is no typical length to width ratio for this cut.

However, one thing you do need to be mindful of is that the Oval Cut can encounter the bow tie effect, as can other cuts, such as the Heart and Marquise Diamonds. What is the bow tie effect? This is essentially a dark area that occurs across the centre of the diamond, and it gets its name because it literally looks like a bow tie. 

This effect is caused because when the rough diamond from the stone was cut the proportions between width, length, and height were imperfect. This means that light leaks through the pavilion of the diamond, which generates a dark shadow, from the main belly facet to the girdles. 

The bow tie effect is not very visible on some diamonds. However, with others it can be evident to the naked eye, even without the use of a magnifying glass. When this occurs, it has a negative impact on the beauty of the diamond, and you can expect the price to be reduced considerably as a result. 

Picture: Bow Tie Effect © The Jewelry Store NYC