subject: The Colour Grades Of Expensive diamonds [print this page] The Coloration Grades Of Expensive diamonds
When it comes to the 4Cs of diamonds, colour, or lack of it, is an especially vital characteristic. Diamonds are given letter grades to indicate the extent of color, beginning with the letter D for a flawless, colorless diamond. Why D, and not C, B, or A? The explanation we've heard is that when diamonds started being graded for coloration with this scale, it was decided to start out with D, to depart room for the extremely rare chance that a diamond could be discovered that was even more flawless than flawless. It hasn't occurred yet!
The color grades of D, E and F are the rarest and most colorless. The gradations in colour can solely be seen by an skilled gemologist. The grades G-H are referred to as close to colorless and the difference might be seen by a casual observer solely when in comparison with the next-grade diamond. A stone on this grade category is a superb value. The grades I-J are additionally near colorless, however not to the same extent as G-H. These also are an excellent value.
The colour grades move up the size to Z, with an growing amount of color. These are inferior gem-quality stones and shouldn't be confused with canary or other coloured diamonds. Coloured diamonds are graded in another way than white diamonds and are additionally highly prized among collectors. They're especially lovely when combined with white diamonds. Think about that the Hope Diamond, probably the most famous diamonds, is a wealthy blue color. Out of all coloured diamonds, a purple diamond is the rarest of all.
The colours in coloured diamonds come from impurities between the cells of the crystals, or structural defects. There are various different colours that diamonds can come in, but they're limited to steel gray, white, blue, yellow, orange, purple, inexperienced, pink to purple, brown, and black