Diamonds are characterized by the Four C's. The Four C's determine the quality and value of a diamond. Learn more.
Diamonds are graded by independent, industry-recognized organizations. These organizations provide diamond certification showing the carat weight, cut, color and clarity of a diamond.
Diamonds range in hue from colorless to fancy yellows, blues and pinks. This chart shows you the range of diamond colors graded on a lettered scale starting with "D" for colorless.
Copyright 2011-2013 Tesoro Boston
What's her perfect shape?
Click to enlarge shape and see the cut.
What's in a carat? Size. Use the chart below to determine what size suits you best. While the cut determines the actual shape and size of a diamond, regardless of carat weight, this chart will give you a general idea of roughly what a diamond of that carat weight will look like.
The cut of a diamond determines how light will reflect through a diamond and it's resulting brilliance.
Most diamonds contain natural imperfections called inclusions. Diamonds range in clarity from internally flawless to heavily included and all grades in between. This chart shows you the graded levels of diamond clarity.
A unique and personal way to customize jewelery is to use birthstones. Click on your birth month to see which gemstone is yours!