A diamond is a clear crystalline form of pure carbon, which is the hardest naturally occurring substance on earth. It’s a valuable precious gemstone with a hardness and high dispersion of light that has made it a treasured gemstone for centuries. The quality of a diamond is determined by the 4 C’s – cut, colour, clarity, and carat.
The weight or size of the diamond is expressed in Carats.
Diamonds are found with a range of colours the rarest being colourless or fancy colours. A letter is assigned to the standard colour grades. Each letter on the scale describes a specific colour.
Clarity refers to the presence of inclusions in a diamond. Inclusions are natural identifying characteristics such as minerals or fractures, appearing while diamonds are formed deep beneath the earth’s crust. They may look like tiny crystals, lines, spots, clouds or feathers. The clarity scale ranging from F(Flawless) to I(Included), is based on the visibility of inclusions at a magnification of 10x.
Diamonds are cut into various shapes most commonly: round, princess, emerald, asscher, marquise, radiant, oval, pear, heart, and cushion. Proportions/Cut : This refers also to the specific angles and dimensions that are required to maximize the return of light from the diamond.