Carat – Carat refers to the size of the diamond. The carat is a standard metric weight of 0.200 grams, and each carat is divided into 100 cents. So for example, a quarter of a carat is 25 cents, written as 0.25; a half a carat is 50 cents, written as 0.50, and so on.
Cut – Cut refers to the shape of the diamond.
Colour – White diamonds are valued for their lack of colour. The closer to colour-free the stone, the more worth it has on the market. Diamonds categorised with the letters D, E, and F are considered to be exceptional white gems, with letters G through L signifying less valuable stones. Categories represented by letters M through Z are considered to be “tinted” diamonds.
Clarity – Imperfections within a diamond are call inclusions. Clarity ratings range is SI-IJ, SI-GH, VS-GH, VVS-GH, VVS-EF.