total weight of the stone like if it says .25 total weight that is a quarter caret.
About the Weinberg surname. The Weinberg name appears among Jews of East Europe in various locations. It is from the German word for vineyard. In the 18th and 19th century, government clerks began assigning family names to Jews ( and others), often based on occupation, location, or prestige.
German: Surname used as a first name; formidable. First name variations: Varn. Last name origin & meaning: South German: habitational name for someone from Farn near Oberkirch, or Fahrnau near Schopfheim.