Instead of just white, diamond stud earrings actually come in a rainbow of colors because ideal cut can be as colorful as any other gem.
Usually the wedding rings rough will be cut into whichever shape that requires the least amount of sacrifice. Marquise and oval shapes should have a length thats exactly twice the size of the width. If they are too narrow or too wide, the stone will loose light and appear too dark.
The value of Tiffany Style Diamonds is determined by theirs grading under the 4 Cs, color, clarity, cut and carat weight.