Precious Metals and Metal Markings on Jewelry.
P Star M. Jewelry Mark. Two Google Search "results". The illustration, above, is from the following link.
https://offerup.com/item/detail/591028726. 925 Sterling Silver P Star M Hallmarked Designer Ring. Description. 925 Italian Sterling Silver P Star M Hallmarked Designer Ring. P stands for Plumb Gold means gold not plated gold and “plumb” is an old-fashioned term that means the fineness or purity level of the gold content. M stands for Milor which is Italian silver.
https://www.jewelrycarats.com/what-does-p-star-m-mean-on-jewelry/. What Does P Star M Mean On Jewelry. P Star M is an acronym that stands for “Product Star Maker.” It is used to indicate that a piece of jewelry has been designed and created by a designer or manufacturer who has won a prestigious award, such as the “Product Star Maker” award from the … I Googled, Product Star Maker Award, and found nothing.
Prices of Gold and Sterling found on the internet. Per Gram.
10K $24.92. 14K $34.54. 18K $44.83. 925 Sterling Silver. $0.69 - $0.80. Total Weight (T.W.) x .925 (92.5%) pure silver.
This is why the metal used in a piece of jewelry determines the price. Also the reason for those super fine chains used for small pendants of semi-precious stones. I’m certain that is why I found so many small pendants without chains in Mom’s Jewelry Collection. Several chains had knots that I was able to un-knot. I put all fine chains on jewelry cards to keep them from knotting.
Another interesting thing I learned is that pure silver is extremely soft, that is why it’s combined with another metal to harden it. Necklace clasps, in particular, need to be strong and durable.
All metals tarnish over time, except for Pure Gold. However, I’ve noticed Sterling Silver dulled by tarnish far more than any other type of metal. I place Sterling Silver jewelry in plastic zip-lock bags with anti-tarnish tabs.
925 marking on gold chains. There is a lot of helpful information in this article; click-on the link to read the full article. https://www.naturallycolored.com/buying-guide/what-is-925-gold#:.
What does 925 mean for jewelry?
The 925 hallmark is actually used primarily on sterling silver jewelry. It indicates that the material’s composition is 92.5% silver and 7.5% copper. This means it’s both fairly malleable and bright.
However, some people assume that when a piece of gold jewelry features this hallmark, it means the piece has a gold content of 92.5%. This is not the case. In fact, 92.5% is not a recognized value for gold. If you find a piece of gold jewelry with 925 or some variation stamped on it, odds are very good the piece isn't solid gold. It's instead likely the piece's base is sterling silver and gold has been plated or otherwise applied atop the base.
…Different types of gold-plated jewelry can have different bases. The thickness of the layer of gold atop the base can also vary from one piece to another… if a piece of gold jewelry isn’t solid but also doesn’t have the 925 hallmark, that may indicate that the base is made of copper, brass, or nickel… if your skin comes into contact with these materials (which could occur if a thin gold base wears down over time), you may have an allergic reaction.
If you only care about a piece of jewelry’s appearance, but you’re on a tight budget and can’t afford to buy something that consists of solid gold, a piece with the 925 hallmark may be an acceptable substitute. It will typically cost less but look remarkably similar to the “real thing.”
While the 925 hallmark does tell you valuable information about the base of a piece of gold jewelry, it doesn’t necessarily tell you anything about the purity of the gold or the thickness of the plating. Because 925 jewelry often tends to qualify as gold vermeil jewelry, there’s a good chance the plating is fairly thick, as the law requires a thickness of 2.5 microns for jewelry to qualify as gold vermeil, but that’s not guaranteed.
About Vermeil.
https://cadcamnyc.com/blogs/our-blog/vermeil-vs-gold-plated-vs-gold-filled-which-is-better. Vermeil vs Gold Plated vs Gold Filled - Which is Better? Vermeil, also known as “silver gilt”, refers to high quality (pure or sterling) silver that is plated with a thin layer of gold. Most vermeil jewelry available now is created by electroplating the silver with gold, a chemical process that uses an electrical current to bind the two metals together. In order to be considered as true vermeil jewelry in the US, the piece has to meet certain qualifications. For instance, the gold on the piece needs to be at least 2.5 microns thick, and at least 10k or higher.
Gold Tone or Silver Tone Plated Iron Chain. 18" $1.00 On hand to go with pendants without chains. The tag on the chain has 925 stamped on it but the description stated it is Plated over Iron.
*Rhodium Plated vs Sterling Silver.
https://www.aupreciousmetals.com/blog/rhodium-plated-vs-sterling-silver. AU Precious Metals. Rhodium Plated vs Sterling Silver: Which is Better.
…This is permanent rhodium plating. The downside is that it’s plating. It will soon begin to flake. It will eventually show signs of wear.
You will need to replace it every year if you want it to look great. However, you can make it last as long as ten years if you don’t use it often and keep the jewelry in good condition.
https://www.ingleandrhode.co.uk/journal/platinum-vs-palladium . Platinum vs Palladium.
Italian Jewelry. https://www.inthefashionjungle.com/is-jewelry-cheaper-in-italy/. Is jewelry cheaper in Italy? The short answer is; No, Italian jewelry is more expensive than jewelry in Middle East or South Asian countries. For example, the jewelry that is made in China is extremely inexpensive as the labor cost in China is very low. In the US, gold jewelry is mostly 14K or 10K which has 41.7% and 58.3% pure gold respectively. However, in Italy, you’ll mostly find jewelry that is 18K or 22K which has 75% and 91.6% pure gold. The higher the purity of gold is, the higher the price of gold jewelry is. As there is more pure gold in the jewelry pieces of Italy, the price of jewelry is comparatively high.
Italy is known for making high-quality jewelry. Also, the designs of Italian jewelry are very delicate. This is the most important reason that jewelry in Italy is expensive.
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