Everybody knows after doing some research online that when you set out to buy a diamond engagement ring, you need to figure out what you’re looking for in terms of the four Cs.  You to pick what diamond clarity grade you’re looking for.  You need to figure out what diamond color grade you’re looking for.  YOu need to figure how many carats your diamond should have, and you need to figure out what the cut grade should be when you buy a diamond.  Those are the simple things about diamonds.  But there are other issues, such as Diamond Fluorescence.  Diamond fluorescence can seriously affect the beauty of a diamond.