There is an old diamond buying expression to summarize purchasing a diamond, "If you don't trust yourself, trust your jeweler."...

This chapter will focus on diamonds which are not white in color. This is a very superficial glance at a...

Color in a diamond refers to how white or transparent the diamond is compared to another diamond. For my personal...

This section deals with the grading of imperfections in a diamond. In our relationships with people we choose our friends...

I remember waiting on my first diamond customer upon graduating from the GIA (Gemological Institute of America).  I eagerly launched...

Fluorescence is a characteristic in which a diamond glows when exposed to ultraviolet light. Fluorescence is caused by trace elements...

Thus far I have focused only on round diamonds. In this section, I'll briefly discuss other diamond shapes: Here are...

In this lesson, we will discuss preparing to buy a diamond. When a customer indicates they want to buy a...

There are numerous labs that grade diamonds and will provide you with certification paper for the diamond you buy. This...