The largest D color flawless diamond ever auctioned, the 101.73 carat jewel is expected to fetch at least $20 million.
This tea caddy is rather splendid Much of the pottery is gilded in 22 carat gold leaf.
The original of the carat used for weighing in India is a small bean.
Three or four dollars a carat is a fair price at the present time.
He sold them at first by the carat at a rate that would amount to $560 a pound.
The carat used in weighing diamonds is 31⁄6 grains (nearly).
Thus 18 carat gold has one-fourth of alloy, and so on with lower qualities down to 12, which is in reality only gold by courtesy.
The average weight of the native Burmese ruby is about one-eighth of a carat.
This identity must be considered as referring to the accuracy of half the thirty-second part of a carat.
To which Bill rejoined, "And Mulvy, you're all gold—twenty-two carat."
also karat, mid-15c., from Middle French carat "measure of the fineness of gold" (14c.), from Italian carato or Medieval Latin carratus, both from Arabic qirat "fruit of the carob tree," also "weight of 4 grains," from Greek keration "carob seed," also the name of a small weight of measure (one-third obol), literally "little horn" diminutive of keras "horn" (see kerato-).
Carob beans were a standard for weighing small quantities. As a measure of diamond weight, from 1570s in English. The Greek measure was the equivalent of the Roman siliqua, which was one-twentyfourth of a golden solidus of Constantine; hence karat took on a sense of "a proportion of one twentyfourth" and became a measure of gold purity (1550s). Eighteen carat gold is eighteen parts gold, six parts alloy. It is unlikely that the classical carat ever was a measure of weight for gold.