Carat Total Weight (st. tw):
Note: Use this chart as a relative guide only. (Actual sizes will vary with different monitor settings.)
Is a unit of weight that is equal to 200 milligrams, or 0.2 gram. Diamond weights are also referred to in points. One carat equals 100 points, so a 75-point diamond would weigh ¾ of one carat.
For more information on diamonds read DoW’s 4C’s on diamond information. More