Carat (mass) Despite its being a non-metric unit, a number of metric countries have used this unit for its limited range of application. The Board of Trade carat was divisible into four "diamond grains", but measurements were typically made in multiples of carat. There were also two varieties of "refiners' carats" once used in the United Kingdom — the pound carat and the ounce carat. The pound troy was divisible into 24 "pound carats" of 240 grains troy each; the pound carat was divisible into four "pound grains" of 60 grains troy each; and the pound grain was divisible into four "pound
Eight Carat produced a colt by General Assembly named Knesset, who won the Ballyogan Stakes in 1988 and Habibti, the British champion sprinter and Horse of the Year in 1983. Eight Carat raced for three seasons in England in the late 1970s but showed no discernible ability, failing to win in five races. She was sold for 9,400 guineas in December 1979. During her career as a broodmare, Eight Carat produced five Group One winners: Her influence now extends to several generations and includes her daughters: Eight Carat's sons: Octagonal, Kaapstad, Colombia and Mouawad have all stood at stud. Octagonal is currently