Friday, February 26, 2010

About Diamond Weights

Diamonds are measured in Carat Weight. One carat weighs 2 hundred mg. If a diamond is known as 4 grains, this also implies that it's an one carat diamond. The word Carat comes from the word carob. A carob is a bean that grows on a tree in the Mediterranean. In times gone, if a diamond weighed the same as a carob bean, it was one carob, or one carat. in the East, where Carob trees don't grow, rice was employed to determine the weight of a diamond. If a diamond weighed as much as 4 grains of rice, it was 4 grains or one carat as we all know it to be now.

The bulk of diamond purchases are for diamonds that are 0.33 of a carat. Beware when purchasing diamonds that are set or mounted. If more than one diamond is employed in the piece, the tag on the jewellery will give the CTW or Carat Total Weight it doesn't tell you the carat weight of each stone in the piece. You must ask the jeweler for the total carat weight of the biggest diamond in the piece to actually understand what you are purchasing.

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