What does 1/20 mean on a gold chain?
How much gold is in a 14kgf coin?
Do pawn shops buy 14K gold?
By law (FTC Link), when a product is marked with the fraction 14/20, it means that the item must contain 1/20 of 14 karat gold with relation to the brass fill/core (5%). With relation, if a product is named or stamped 12/20, it is made of 1/20 of 12 karat gold.
The 14K on the stamp notes that the gold used is 14-carat gold. Basically this is costume jewelry. Anytime a piece is marked GF(gold filled), GP(gold plated) or HGE(heavy gold electroplate) it is costume jewelry.
When a layer of gold is affixed on all surfaces by any mechanical means and the weight of the gold is a minimum of 1/20 of the total weight of the metal in the article, it may be marked Gold-Filled (GF). The quality of the gold used is typically 10, 12 or 14 karat gold with 10 karat being minimum.
Definition. In the United States, the quality of gold-filled jewelry is defined by the Federal Trade Commission (FTC). If the gold layer is 10kt fineness, the minimum weight of the plated layer on an item stamped “GF” must equal at least 1/20th of the total weight of the item.
Gold filled uses a karat gold overlay which is then bonded to a brass inner core. JK Findings manufactures gold filled with1/20th 14 karat gold, meaning, it is 5% 14 karat gold by weight with a brass inner core.
When you come across the reference “14/20 Gold-Filled” this means that item is 1/20 14K gold or more simply put the 14 = karats and the 20 refers to the % of gold in an item. 1/20 = 5% gold. The 1/20 fraction refers to the ratio of the 14 karat gold layer to the base metal (brass) layer by weight, which is 5%