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
Carat (board game) Carat (board game) Carat is an abstract tile laying German style board game designed by Dirk Henn and published in 1993 by Queen Games and db Spiele. In 2004, after the success of "Alhambra", Queen Games released an updated version of the game with an Arabian theme called "Die Gärten der Alhambra". The game board consists of regular octagons and squares, tiled such that each square is surrounded by four octagons. Players first take turns to place square tiles on the squares to set up the game. They then place octagonal tiles around the squares. Each square tile is worth