How Hearts Patterns Are Created in Round Diamonds:

At the present time, very few people understood how hearts patterns are created in round brilliant cut diamonds. As a matter of fact, the formation of hearts patterns has been a bit of a mystery. After all, it can be quite puzzling to figure out how a diamond cutter creates hearts patterns in round diamonds.

Nice Ice Blueprint

Be that as it may, my goal is to explain the phenomena of hearts and arrows cut diamonds in plain simple English. In order to do so, I sat down with fifth-generation diamond cutter Brian Gavin.

After all, Brian Gavin used to produce hearts and arrows diamonds for our private label collection. In addition, he's the only diamond cutter in the world with a patent for maximizing light performance in the modern round brilliant cut diamond.

We are committed to helping you learn more about diamonds and light performance. This post contains affiliate links that help support our efforts. Please refer to our material connection disclosure for more details.

Creation of Hearts Patterns in Round Diamonds:

Creation Hearts Patterns Round Diamonds

The diagram on the left shows the pavilion facets of a round diamond outlined in orange. The pavilion main facet that is located in the twelve o'clock position has been colored green.

Imagine that the green color is light that is reflecting off the pavilion main facets. That light reflects across the diamond and is split into two halves by the pavilion main facet located in the six o'clock position.

Then that light reflects over on to the lower girdle facet located on either side of the pavilion main. In doing so, it creates one half of the heart shape. This process repeats itself throughout the entire facet structure of the diamond, creating the 360° pattern of hearts.

Obviously, any variance in the size, shape, or indexing of the lower girdle facets will affect the reflection of light. For example, if the lower girdle facets are slightly different lengths, then so will the reflections of light. That is the reason why the tips of some hearts might appear to be bending.

Follow the Nice Ice® Diamond Buying Blueprint™

This is the "Secret Sauce" from the back office of Nice Ice Diamonds. The tips and tricks that we relied on to select ultra-high performance diamonds for our brand.

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