20
Diamonds have been totalled in Carat Weight. One carat weighs 200 milligrams. If a solid is referred to as 4 grains, this additionally equates to which it is a a single carat diamond. The word Carat comes from a word carob. A carob is a bean which grows upon a tree in a Mediterranean. In times past, if a solid weighed a same as a carob bean, it was a single carob, or a single carat.
However, in a distant east, where Carob trees do not grow, rice was used to magnitude a weight of a diamond. If a solid weighed as most as 4 grains of rice, it was 4 grains – or a single carat as we know it to be now. The infancy of solid purchases have been for diamonds which have been 1/3 of a carat.
Beware when selling for diamonds which have been already set or mounted. If some-more than a single solid is used in a piece, a tab upon a valuables will give a CTW or Carat Total Weight – it does not discuss it we a carat weight of any mill in a piece. You need to ask a jeweler for a sum carat weight of a largest solid in a square to indeed assimilate what we have been buying.