For buy the perfect 5 carat diamond ring or other diamond ring. You need understand 4 C's for cut, clarity, color and carat.

Cut is the most important of the 4 C's, it's refers fashioned, Precise angles, proportions, symmetry and polish optimize the play of light within a diamond, in turn maximizing its brilliance and sparkle. A good cut brings out the beauty and fire of a diamond, while a poor cut leaves it dull and lifeless.

Clarity is determined by the presence of inclusions, fewer inclusions mean better clarity. Diamonds with very, very small inclusions are graded as VVS1 or VVS2. Diamonds with inclusions that are visible with the naked eye are graded I1 to I2.

Color, coloress diamonds have traditionally been considered the most valuable. Most diamonds are graded on a scale using the letters of the alphabet, from D (coloress), the best grade, through z (a light yellow). It is difficult for the untrained eye to notice such variations in color unless stones are being compared side by side.

Carat is measured diamond weight. Each carat is divide into 100 points (200 milligrams). So, a 50-point diamond is the equivalent of a half-carat diamond. For 5 carat and 4.8 carat of diamond, you can't see the difference in size of both. If you buy 4.8 carat or under 5 carat and you'll can save your money.

Diamond Clarity has Flawless to Included, Flawless no inclusions or blemishes of any sort under 10X magnification and Included visible to the naked eye.

Clarity grading scale from Amazon.com

Carat is measured diamond weight. Each carat is divided into 100 points (200 milligrams). For Example

1 Carat (1 ct) has 200 milligrams and 100 points.

2.05 Carat (2.05 ct) has 410 milligrams and 205 points.

5 Carat (5 ct) has 1 gram and 500 points.

Carat weight scale from Amazon.com