What does KK mean on Jewellery?
Since 1942, Kalevala jewelry has been punched with the company’s stamp, the letters KK inside a circle. This mark is still used. Old Kalevala jewelry often features not only the maker’s mark of the company, but also the mark of the supplier who made the piece, such as HGL (Holger Lindström) or HK (Heikki Kaksonen).
What does Korea mean on jewelry?
Korean mass produced gold jewelry meant for export tends to be 10K and 14K if solid gold. Most often however, this type of gold jewelry is gold plated over ferrous material. Mass produced Korean gold jewelry tends to be inexpensively made, have simulated stones, lots of soldering, and most of it machine made.
What does K on a ring mean?
Pure gold is 24 karat, meaning that 24 out of 24 parts of the metal are gold. Although the terms sound familiar, the karat (k) system used to measure the purity of gold is different from the carat (c) unit of mass that’s used to weigh diamonds. These diamonds look identical in a ring.
What do the letters mean on gold jewelry?
Purity marks on gold jewelry will consist of a two-digit number followed by the letter “k,” or a three-digit number. … A piece of jewelry with an etching that reads “18k” or “750” indicates that it is made up of 75 percent gold, while a “14k” or “585” mark indicates the metal is constructed with 58.5 percent gold.
What is the most expensive jewelry made of?
The most expensive and perhaps the most famous jewel in the world is a 45.52 carat blue stone known as the Hope Diamond. Experts think its unusual blue coloring comes from impurities caused by trace amounts of boron atoms.
How do you identify jewelry stamps?
The most common hallmark is meant to tell you an item’s precious metal purity. The first thing you want to look for is the shape of the stamp. A rectangular shape with the corners shaved off will tell you immediately that the item is gold. An oval stamp would indicate the item is silver.