Possible Clues:

• One of seven deadly sins
• Greed is a sin overwhelming all rogues initially
• Sin described by the Bible suppresses a run on diamonds
• Rapacity
• A sin involving extremes of anger or another one
• A right in a wrong is still a wrong
• It's agreed to go with the curry at last
• One of Spinoza's ''species of madness''
• Cupidity, a flaw besetting a king
• Scrooge's fault