The fourth 'C' or Carat weight
CARAT WEIGHT The last of the "C"s is carat weight. This is not the same as the Karat that indicates the percentage of gold in a piece of jewelry. Carat comes from the Carob Bean. The carob has round seeds, and they are all fairly uniform in size. Lacking anything else to use as a standard of measure in early times, they decided that the carob beans were regular enough to use as a standard of measure. One carob bean was a carat. My question is what happens as the bean dries out and gets lighter? A carat is divided into 100 points. So, one and a half carats was 1.5c. or 150 points and a quarter carat is .25ct or 25 points. Diamonds become rarer in larger sizes. As they become rarer, they become more expensive, but not evenly...they jump up in price as they reach certain sizes. This is not absolute, but .25 or 25 points is a size that experiences a sudden change. .5 is another jump in price....75 as well. One carat is a fairly la...