How to Select A Quality Diamond: The Four C’s of Diamonds – #3 Cut August 2, 2021 – Posted in: Educational Gems Mini-Series, Gemstones
CUT refers to the diamond’s symmetry, as opposed to its SHAPE (such as Pear, Heart, Oval, Princess, etc) and gives the diamond its attributes of brilliance, fire and scintillation!
A skilled diamond cutter will choose the most enhancing cut, as the diamond is viewed from above, maximizing the interplay with light through these attributes of appearance.
Brilliance is the brightness you see from all internal and external white light reflections.
Fire refers to the flashes of all colours of the rainbow produced from the scattering of white light.
Scintillation is the amount of sparkle – the captivating flashes of light and dark reflected when the diamond is moved that we all love!
Image credit: IGI (International Gemological Institute)
The Cut Grade is defined by the GIA on a scale from Poor (P), Fair (F), Good (G), Very Good (VG) and Excellent (EX) and includes design and craftsmanship attributes such as weight ratio, durability, polish and symmetry.
Notably, the cut grade of a diamond is the most important.
We’ll explain why with our next C – carats.
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