You can get a diamond color enhanced through coating or polishing.
Sim's diamond is naturally a healthy green color. A red diamond would indicate a severe lacking of basic needs fulfilled and that their mood is very bad.
The four C's are Carat, color , cut and clarity. Whenever you purchase any diamond always keep these 4 C's in mind,Carat is related to the weight of the diamond.Cut is related to the shape and design of the diamondColor is related to the color, color I mean be careful , science has found ways to add color to a diamondClarity is related to genuineness of the diamond. You can use a diamond Loupe as tool to measure a diamonds clarity.
usually it the clarity ,color and cut of the diamond
Black diamonds are black.
The color is red!
No they are not. Chocolate, in this case, refers to the color of the diamond, not what it is made from. The stones are gorgeous to look at, but the more color a diamond has, the more expensive it becomes.
Yellow
The Kazanjian Diamond is red. You can read more about it, below.
No natural diamond will change colour.
When buying diamonds you need to consider the 4 C's - Cut, Clarity, Color and Carat. The last one inform you of the size of the diamond. For more have a look at the following http://adiamondvault.com/article/diamond-carat-guide/
FCLY is not a common combination of characters used to describe a diamond.