Gold leaf Gold leaf Gold leaf is gold that has been hammered into thin sheets by goldbeating and is often used for gilding. Gold leaf is available in a wide variety of karats and shades. The most commonly used gold is 22-karat yellow gold. Gold leaf is a type of metal leaf, but the term is rarely used when referring to gold leaf. The term "metal leaf" is normally used for thin sheets of metal of any color that do not contain any real gold. Pure gold is 24 karats. Real, yellow gold leaf is approximately 91.7% pure gold. Silver-colored white gold
Carat (mass) different locations. In terms of diamonds, a paragon is a flawless stone of at least 100 carats (20 g). The ANSI X.12 EDI standard abbreviation for the carat is CD. First attested in English in the mid-15th century, the word "carat" comes from Italian "carato", which comes from Arabic "qīrāṭ" قيراط, in turn borrowed from Greek "kerátion" κεράτιον 'carob seed', a diminutive of "keras" 'horn'. It was a unit of weight, though unlikely to have been used to measure gold in classical times. Carob seeds have been used throughout history to measure jewelry, because it was believed that there was