The imprint "18k HGE" on gold essentially means that the gold is costume jewelry with little or no value. "HGE" stands for "hard gold electroplated," which means the object is not solid 18 karat gold throughout. "18k" refers to the type of plating used on the outer surface of the object.Continue Reading
Pure gold is 24 karats, or 24k. Therefore, 18 karat or 18k gold is 75 percent pure gold. However, if something has “HGE” stamped on it, it means that the object is made of a less valuable metal, such as copper, with a thin layer of gold on the surface to make it look like it’s made of solid gold. It’s only the thin layer on the surface of the object that has the 18-karat density. Electrochemical processes are used to bind the gold to other metals.
Gold plate is often used in costumes to save costs. It’s difficult to tell whether something is made of pure gold just by looking at it from a distance, so gold plating can be a good substitute. The gold plating also means that high percentages of gold, such as 18 karat, are used with gold plating at a cheaper cost when compared to a much lower karat that is solid gold.Learn more about Precious Metals & Gems
One can clean gold jewelry at home with everyday materials, including a toothbrush, dish detergent and water. The overall process is simple and only takes 15 minutes.Full Answer >
A "925" stamp on a piece of gold jewelry usually has no relationship with the gold but with the silver underneath. A "925" stamp on silver denotes a 925/1000 part purity, or a sample of silver that's 92.5 percent pure.Full Answer >
The number 925 stamped on a gold piece of jewelry usually means that the jewelry is not entirely gold; it is sterling silver that has been gold plated. The number normally indicates the purity of the silver used, not the quality of the gold.Full Answer >
A stamp reading 18KGP means that the jewelry is gold plated, so an 18KGP white gold item would be plated with 18 karat white gold. The metal underneath the gold is usually copper or silver, but these can diffuse into the gold and tarnish the color.Full Answer >