925 means 92.5% silver and 7.5% copper, the standard for sterling all over the world. A C in a circle means “copyright” which is rather rare for jewelry. Any other mark is whatever the manufacturer cares to put there. Related questions (More answers below)
The copyright symbol, or copyright sign, © (a circled capital letter C for copyright), is the symbol used in copyright notices for works other than sound recordings. The use of the symbol is described by the Universal Copyright Convention.
COPYRIGHT MARK ©
Most costume jewelry having the copyright mark was made after 1955.
Information: Charles Krypell jewelry was founded in 1976, in New York, NY. Works primarily in gold, silver and platinum. Charles Krypell. CHARRIOL. Hallmark(s): "Charriol", "C"
The first C stands for Diamond CUT.
Last Updated: Article History. Table of Contents. karat, also spelled Carat, a measure of the fineness (i.e., purity) of gold. It is spelled carat outside the United States but should not be confused with the unit used to measure the weight of gems, also called carat.
Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of gold, Carat with a C is a measure of weight use mostly in gem weight (one carat is 1/5 gram).
The "C" that follows the "925" stamp may be a maker's mark or a manufacturer's hallmark, which is used to identify the company or individual who produced the piece of jewelry. The diamond symbol that follows the "925 C" stamp may indicate that the piece of jewelry contains a diamond or diamonds.
A 'C' clasp features a long, strong metal pin which is used to attach the brooch to your clothing, which is then secured by a C-shaped piece of metal that the pin can be hooked underneath, securing it in place. These clasps were popular throughout the Victorian era, from around 1850 until 1910.
Carat. The carat is the diamond's physical weight measured in metric carats. One carat equals 1/5 gram and is subdivided into 100 points. Carat weight is the most objective grade of the 4Cs.
"AA" or "A.A." UNKNOWN QUALITY. "A" STANDARD QUALITY. "B1" UNKNOWN QUALITY. "B" THIRD QUALITY. "C" FOURTH QUALITY.
The pieces were later marked with the store name. By 1830 the words COIN, PURE COIN, DOLLAR, STANDARD, PREMIUM, or the letters “C” or “D” were placed on silver to indicate that it was 900 out of 1000 parts silver. The word STERLING was frequently used by 1860. STERLING means that 925 out of 1000 parts are silver.
C1 carat. Carat weight of the stones set in a jewelry is estimated as an approximate weight according to formulas taking into consideration the measurements of the stones.
Wedding Rings. The Three C's: All You Need to Know About Cut, Clarity, and Carat.
A “C” clasp as used in a dental partial can be soldered to a labial bow to create extra anterior retention for any removable orthodontic appliance. This is often done when moving anterior teeth. To make this clasp more retentive, it is usually used in conjunction with a dental composite buccal button.
We recommend taking the piece to a jeweler to be tested. They will have professional tests that will determine whether your jewelry is real as well as the purity of the metal itself. A certified appraiser will be able to provide the value of the piece as well.
Look at any clasp or hinge and try to identify what era the style was popular in. The less mechanical a clasp or fastener looks, the older the brooch is. Also, thicker pins tend to indicate an older item, as they were designed to fit through multiple layers of thick fabric.
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.
The 925 stamp on silver jewellery is all about the purity of the silver. It means that for every 1000 parts of material in the jewellery piece, 925 parts must be made of silver and no more than 75 parts should be a different metal. It breaks down into 92.5% silver and 7.5% an additional metal.
Many valuable and rare stamps have come out of Australia, with arguably the most notable being the "Inverted Swan" that was issued in 1855 by Western Australia, and featured one of the first invert errors to be seen in philately.
Gold is a chemical element with the symbol Au (from Latin aurum 'gold') and atomic number 79. This makes it one of the higher–atomic-number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal in pure form.
Gold Purity Marks
Purity marks on gold jewelry will consist of a two-digit number followed by the letter “k,” or a three-digit number. The letter “k” refers to karats, where pure gold is composed of 24 karats (24k).
If you see a karat marking like K or k, usually accompanied by a number, the item is made of white gold.