carats

例句:

• The gemstone is 28.6 millimetres high and weighs 139.43 carats.
  这块宝石高28.6毫米，重139.43克拉。
  来自柯林斯例句
• This diamond weighs 60 carats.
  这颗钻石净重60克拉.
  
• The huge piece of rough was cut to be a superb gem of 128 carats.
  那一大块未琢磨的宝石被琢成一粒128克的上等宝石.
  
• These are people who dress very conservatively and buy big carats.
  来自THETIMES
• The diamonds in the heist will be recorded on the basis of weight in carats, colour and clarity.
  来自BBC
• Simbo says if he works hard, he can get two or three carats of gold every day.
  来自VOA