COLORED DIAMONDS 

Pure fancy orange diamonds are very rare, as it is more common to find an orange diamond with secondary hues.  Similar to pure red diamonds,  The Gemelogiacal Institute of America (GIA) rarely grades a stone as pure orange. Typically these modifying colors are brown, y...

Carat

Diamonds are sold by the carat (ct), not to be confused with karat (kt), which refers to gold purity. Jewelers often refer to the carat weight of diamonds in terms of percentage points. This is particularly true of stones under one carat. There are 100 points to...

Clarity

Clarity is an indication of a diamond’s purity. It describes quite literally the degree to which a diamond is free of imperfections. The clarity grades range from internally flawless (IF) to highly imperfect (I3).

Internal flaws in diamonds include are called “...