A Beginner’s guide to Diamond Cuts
The world of diamonds can sometimes be a confusing place, so this week we’re demystifying everything about Diamond cuts, so you know exactly what to look for when you're choosing your unique diamond engagement ring.
Diamond cut means two things:
First off, a bit of a confusing start, as the diamond industry actually uses the word "cut" in two different ways.
Most commonly, it's used to describe the shape of a diamond (for example, a "princess cut" diamond).
The second way "diamond cut" is used is to describe the reflective qualities of a diamond. The reflective quality of the diamond is determined by how well the diamond was cut. Got it?
This second usage (the reflective quality) is the one that is graded and gets the score on diamond certificates which are issued with your diamond ring purchase.
The cut of a diamond determines the angles and finish, which lends to its ability to handle light, which is commonly referred to as its ‘brilliance’. The sparkle that you see (and turns heads), when the diamond catches and refracts light.
A little bit more about light
When a diamond is well-cut, light enters through the table (the top of the diamond) and travels to the pavilion The space between the bottom of the diamond up to the widest point), where it reflects from one side to the other before reflecting back out of the diamond through the table and to the observer's eye.
In a badly cut diamond, the light that enters through the table reaches the facets and then 'leaks' out from the sides or bottom of the diamond rather than reflecting back to the eye. Less light reflected back to the eye means less brilliance.
The GIA (Gemmological Institute of America) is a renowned and well-respected diamond grading entity that issues report for the cut of diamonds, which the is the very system Hatton Jewels uses to certify its diamonds.
As an independent entity, GIA does not have a financial stake in the sale of the diamond. When you are in the market for diamonds, it’s advisable to seek a GIA certificate to view the Diamond’s Cut grade.
Excellent Cut Diamonds provide the highest level of fire and brilliance. Because almost all of the incoming light is reflected through the table, the diamond radiates with magnificent sparkle.
Very Good Cut Diamonds offer exceptional brilliance and fire. A large majority of the entering light reflects through the diamond’s table. To the naked eye, Very Good diamonds provide similar sparkle to those of Excellent grade.
Good Cut Diamonds showcase brilliance and sparkle, with much of the light reflecting through the table to the viewer’s eye. These diamonds provide beauty at a lower price point.
Fair Cut Diamonds offer little brilliance, as light easily exits through the bottom and sides of the diamond. Diamonds of a Fair Cut may be a satisfactory choice for smaller carats and those acting as side stones.
Poor Cut Diamonds yield nearly no sparkle, brilliance or fire. Entering light escapes from the sides and bottom of the diamond.
However, one thing to note is that around 55% of all round cut diamonds (the most popular choice of diamond) receive an excellent rating.
For a truly assured purchase, we recommend you always see a diamond in person before buying and speak to a knowledgeable GIA qualified gemmologist. Hatton Jewels small team are all GIA qualified, so feel free to drop us a line if you have any questions at all.