Diamond Weight in Carats
Diamond Weight is Measured in Carats and Grains of
Even if you're not all that knowledgable about diamonds, you probably well know
that diamonds weight is usually measured in carats. But what you might not know is that there are two ways that
diamond weight is measured:
- in carat and
- grains of rice.
Here's some information about the origins of these two measures and what they
Measuring Diamond Weight in
Diamonds are measured in Carat Weight. One carat weighs 200 milligrams. If a
diamond is referred to as four grains, this also means that it is a one carat diamond. This refers to diamond
weight measured in rice - see the chapter below.
Did you know that the word Carat comes from the word carob? A carob is a bean
(legume) that grows on a tree in the Mediterranean region. In times past, if a diamond weighed the same as a carob
bean, it was one carob, or one carat.
|Carob beans were originally used to measure weight of
(When ripe and dry, these legumes taste like a cocoa or
Weight of a Diamond in
However, in the far east, where Carob trees do not grow, rice was used to measure
the weight of a diamond. If a diamond weighed as much as four grains of rice, it was four grains – or one carat as
we know it to be now. The majority of diamond purchases are for diamonds that are 1/3 of a carat.
|In the Far East, abundate in rice, it was rice
that were used for measuring diamond weight.
Beware when shopping for diamonds that are already set or mounted. If more than
one diamond is used in the piece, the tag on the jewelry will give the CTW or Carat Total Weight – it does not tell
you the carat weight of each stone in the piece. You need to ask the jeweler for the total carat weight of the
largest diamond in the piece to truly understand what you are buying.