In which colours purity and lustre is more?
Answers
Purity: The value of a diamond depends on the 4 Cs—carat, colour, clarity and cut. The carat is the weight of the stone, while clarity ranges from the most valuable, internally flawless (IF), to imperfect varieties (I1, I2 & I3). Within this range are stones with very slight inclusions (or impurities) (VVS1 & VVS2), very slight inclusions (VS1 & VS2) and slight inclusions (SI1 &SI2). The higher the impurity, the lower the price.
A diamond without any colour is rated D and is the most expensive. As the colour increases, the rating changes alphabetically from D to Z, and the value depreciates accordingly. Though diamond is the hardest stone, it has cleavage planes, which means that if it is dropped or hits at a particular angle, it can crack or shatter. This is why it