If you mean 1/4 carat, that is one quarter of a carat or 25 points (one carat = 100 points) .
1 carat = 200mg
A 1.00 point diamond is one carat, so a .12 point diamond is a little over 1/10th of a carat.
1 carat = 200 milligrams 1/2 carat = 100 milligrams
1 grain is equal to 0.323 Carat (int) 1 carat (int) is equal to 3.086 Grain
1 carat = 6.5 mm
Carat is not a measurement of size, its weight. 200 miligrams=1 carat
1 carat = 0.2 grams
1 carat is 0.2g, so 1/2 of a carat equates to a 0.1g gemstone.
1 cent = 2 milligram 1 carat = 200 milligram 1 carat = 100 cents 1 gram = 5 carats
As a unit of weight for precious stones, 1 carat = 200mg, or one fifth of a gram.1mg = one thousandth of a gram (1/1,000g).One carat weighs one carat. Equally, one carat weighs .20 grammes.
Highly variable, depending on shade of purple, evenness of color, lack of flaws and inclusions and, to a certain degree, locality. Could vary from $5 a carat to over $50 a carat, if the stone is large and fine.
1 carat = 200 milligrams 1 milligram = 0.005 carat