The mark "K5" on jewelry could mean a few different things, as it is not a standard gold purity stamp, which typically ranges from 10K to 24K. The meaning depends on the context and other nearby marks:
A K5 low-carat white gold alloy for jewelery characterized by Au 20.8%, Pd 8 to 28%, Ag 40 to 55%, Cu 5 to 25%, and the balance Zn.
The “K" in 10K and 14K gold refers to the karat of gold. The term "karat" (K) designates the amount of gold found in a piece of jewelry. Pure gold is 24K and signifies 99.9 percent purity, the highest you can buy. Pure gold is very soft. Jewelry is often made in 10K, 14K or 18K.
The history of antique jewelry brand K & L began in 1884 in the jewelry capital in southwest Germany, the city of Pforzheim. Kordes & Lichtenfels manufactured high quality pieces which have become highly collectible and sought after. Traditionally, the craftsmen used the term “Amerikaner” for gold filled.
This alloy is commonly known as 'sterling' silver, and is very commonly used for jewelry. The NC is a maker's mark, and could be the jeweler's initials, a company's name, or such.
Usually, these letters show where the jewelry was made. "CN" most likely means "China." So this ring was probably made in China. The letters show the global nature of jewelry-making. Crafters in many countries create beautiful pieces.
A: Kc represents carats, usually a 14k gold plated and gold typically represents the color tone.
HK Settings (Hong Kong Settings) Meaning: Jewelry is made or assembled in Hong Kong, usually using high-quality craftsmanship and modern designs. Gold Content: Can be made in different karats (commonly 18K or 14K), depending on the order.
The German mark (German: Goldmark [ˈɡɔltmaʁk]; sign: ℳ︁) was the currency of the German Empire, which spanned from 1871 to 1918. The mark was paired with the minor unit of the pfennig (₰); 100 pfennigs were equivalent to 1 mark.
Yes—all of our yellow gold jewelry is crafted in 14k solid gold, never plated or filled.
Pure gold is notated as 24K – this is the highest karat level for gold meaning it is 100% pure gold. 18K gold is 75% purity level, 14K is 58.3% purity level, and 10K is 41.7% purity level.
By the way, "K24" represents pure gold, meaning it is 100% gold. Although it is harder than platinum and silver, it is a very delicate and soft metal, so it is not common to make jewelry from K24 (pure gold) as it is. If it is soft and has a high risk of deformation, it is not suitable for everyday use.
K5™ is an ultra high-strength, high-elongation 100% pure polyurea, originally developed as a resilient blast resistant polymer. Soon after, it was discovered that K5™ is exceptionally resistant to abrasion, compared to other spray applied coatings.
Gold purity is measured in karats (K), with 24 karats representing 100% pure gold. One karat equals 1/24th of the whole, meaning a 14K gold ring contains 14 parts gold and 10 parts other metals. These additional metals, like copper, silver, or nickel, influence the gold's durability, color, and price.
Pure gold that has not been mixed with any other metals is therefore the highestpossible karat, 24 karat (24k) gold. Whilst more valuable, pure gold is rarely used for jewelry pieces because of its softness andmalleability, and tendency to scratch and mark.
In Germany, it is permitted to mark all gold alloys with a fineness of at least 33.3% with a gold stamp. The most common are 333 gold (8 karat), 585 gold (14 karat) and 750 gold (18 karat). The information on the gold stamp may not differ in value from the actual fine gold content by more than one percent.
Generally, we see gold that European Gold is 10 karat, 14 karat, and 18 karat. Ten karat gold is marked 10k or 417. Fourteen karat gold is marked 14k or 585. Eighteen karat gold is marked 18k or 750.
The top jewelry brands often include icons like Cartier, Tiffany & Co., and Van Cleef & Arpels for timeless luxury, alongside high-fashion leaders like Bulgari (Bvlgari) and diamond specialists like Graff, with brands like Mejuri gaining traction for modern, accessible styles, reflecting a mix of heritage, high fashion, and contemporary trends in the luxury market.
Chinese Gold / Hong Kong Gold
Chinese gold jewelry, ornament and gold statues are generally 24K pure gold. Pure gold is very bright, soft and will never rust or tarnish. The gold is often times marked “999”, “9999” or “999.5”. Gold from China may also be marked with Chinese characters.
To read jewelry hallmarks, you need to: Use a magnifying glass or jeweler's loupe to locate all marks. Identify metal purity marks (e.g., 750, 925, 18K). Look for maker's marks, assay symbols, and date letters.
Understanding "10k"
When we say something is 10 karats, it means that the steel is 10 parts gold and 14 components different metals. Pure gold is 24 karats, so 10k gold is much less natural, however nevertheless actually gold.
The “N” trademark, first used in 1923, was owned by Napier from 1924 through 1964. However, during this period of ownership, the company rarely used the mark on jewelry, preferring to use it for vanity items (see page 967 of The Napier Co.: Defining 20th Century American Costume Jewelry).
Stainless steel is often marked with the abbreviation SS, which can help you identify it. SS could also refer to sterling silver. Read our guide to how to identify silver. Stainless steel features an alloy of chromium, steel, carbon, and nickel. The ratio of these metals will determine its grade.