324	THE BOOK OF THE PEARL
	With the present system of diamond carats and pearl grains it is necessary to keep two entirely different sets of weights or to resort to troublesome calculations. The stock-book of a jeweler, at the present time, will contain the following fractions, expressing the weight of a single pearl: Vi, Vi, Vs, Vie, Vz2, Vm, when the weight could be much better stated as 6%4 of a carat. It requires but a glance to see how much easier this would be. Certain dealers have therefore proposed