Diamond Carat Weight Formula. To determine the average diameter of a diamond add the length plus the width and divide it by two. 5 rubies in a ring or 100 diamonds in a necklace.
The diameter of a round stone is measured as a straight line that goes through the stones center and connects two points on the diamonds girdle outer edge. Find out the carat weight of your diamond. Using the formula this is how the carat weight of the stone will be calculated.
5 rubies in a ring or 100 diamonds in a necklace.
One carat is equal to 200 milligrams which is 15 of a gram or 020 gram. 540 x 400. These calculations do not always give you the exact weight. Round Brilliant Cut Diamond Formula.
