What does JK mean in jewelry?

What does JK mean in jewelry?

J-K Color Diamonds. J-K colors mark the top end of commercial jewelry. They are affordable and provide a ‘big look’ with in the slight yellow and top light brown categories. They afford a significant reduction in price from the gem colors of D through I and are used extensively in the mid-range jewelry market place.

What do the letters stamped on jewelry mean?

Each number stands for the percentage of purity of gold, platinum, and silver. For gold, the stamps are 375, 585, 750, 916, 990 and 999. For silver, the stamps are 800,925,958 and 999. For platinum, the stamps are 850, 900, 950 and 999.

What does JM on jewelry mean?

John Medeiros Jewelry Collections | Handcrafted American Made Jewelry.

What stamps are on white gold?

The karat stamps on white gold are easy to interpret. The karat number is usually followed by letters such as K or KT. For example, 18KT stamped on a white gold ring means that it is 18 karats, which also means that it contains 75% pure gold.

What is SI JK diamond quality?

Slightly Included category (SI) diamonds have noticeable inclusions that are easy, or very easy for a trained grader to see when viewed under 10x magnification. The SI category is divided into two grades; SI1 denotes a higher clarity grade than SI2. These may or may not be noticeable to the naked eye.

Are J diamonds yellow?

What is a J color diamond? J color diamonds are part of the near colorless class of diamonds which includes grades G through J on the GIA grading scale. These diamonds can exhibit some color (typically yellow) but this color saturation is most visible when the diamond is viewed from the side.

How do you identify jewelry stamps?

Purity Markings 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.

How do you identify hallmarks?

The four components of a hallmark are: the sponsor or maker’s mark, the standard mark, the assay office mark and the date letter for the year. Hallmark identification should answer four important questions – where; what; when; who. Where? Locate the assay office.

What does J mean on a ring?

J color diamonds fit into the “Near Colorless” range of the scale, meaning that while they may display some hints of color, they still appear primarily colorless when they’re looked at with the naked eye. The J color grade is actually the lowest color grade that’s considered near colorless using the GIA’s color scale.

What does JM mean on silver?

J.M into a serrate rectangle. James Moore, Dublin 1819 hallmark.

How do I identify my jewelry Mark?

Inspect the Hallmark There are also hallmarks that can identify where the item was made (called a makers mark), the office the metal was tested in, the year, and the designer. You can find these hallmarks in a variety of places. Common locations are in the inside of a ring or a tag by the clasp of a necklace.

What does K mean in gold?

Karats
Karats (k) are used to measure the solid gold content of a gold alloy while carats (c) are used to measure the weight of diamonds.