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How to decode jewelry stamps like a real pro

You’ve found a gorgeous piece of jewelry, and you’re excited to make it yours. But how can you be sure it’s really made of silver or gold? The answer lies in the tiny stamps you might not even notice at first glance. These marks are like little secret codes, telling you all about the metal used in your jewelry. In this post, we’ll help you crack the code and feel like a jewelry detective next time you’re shopping for that perfect piece.

 

 

Maker's mark, the jeweler special stamp

The mysterious Maker’s Marks

Imagine if all your favorite artists signed their work with a special symbol. Well, in France, that’s pretty much what jewelers do! Every jeweler has a unique maker’s mark - a stamp that’s one part signature, one part secret identity. It’s certified by customs and must be included on all their pieces, whether it’s a delicate silver ring or a bold gold pendant. This mark tells you exactly who made your jewelry and guarantees you can trace it back to the source. It’s like having the artist’s autograph on a painting, but instead of a canvas, it’s your new favorite necklace.

In other countries, the rules can differ. In the UK, jewelers also use maker’s marks, and they’re required on most pieces. In the USA, while there isn’t a mandatory system, many jewelers still choose to include their maker’s mark for authenticity. Meanwhile, in Italy, the maker's mark often includes a symbol that indicates the city of origin, adding another layer of detail to the piece.

No matter where you are, these marks help ensure that the jewelry you love is both beautiful and authentic!

 

The official Hallmarks: a quick world tour

Think of it like a passport stamp. Hallmarks certify your jewelry’s metal purity, and each country has its own system:

France: For pieces over 3g of gold or 30g of silver, you’ll see official stamps like the eagle’s head (gold) or Minerva’s head (silver). Anything lighter? It can still be 18k gold or sterling silver, but it won’t get that official hallmark stamp. Don’t worry, though - your maker’s mark will still be there, keeping things reliable.

UK: Look out for the lion on sterling silver or the crown on gold - but only if the piece weighs more than 1g for gold or 7.78g for silver.

USA: There’s no mandatory hallmark system, but it’s common to see “925” for silver or “18k” for gold.

No matter where your jewelry comes from, these marks help you know what you’re getting!

 

 

Informative 925 stamp for sterling silver 

Informative stamps: The 925s and 18ks of the jewelry world

If you’ve ever spotted numbers like "925" or "18k" on your jewelry, those are informative stamps. They give you the juicy details about the metal. For example, "925" means your piece is sterling silver, and "18k" tells you that your gold is 75% pure. It’s kind of like reading the label on a nice bottle of wine - informative, but you still need to trust the vineyard (or in this case, the jeweler!). That’s why it’s best to have both the maker’s mark and an informative stamp. Think of it like a well-crafted résumé: a great design plus strong references makes for the perfect hire (or purchase, in this case!).

 

maker's mark and 925 silver stamp for jewelry

The best of both worlds

So, what’s the dream combo? A piece with both a maker’s mark and an informative stamp. For my pieces, I always combine my maker’s mark with a “925” stamp on silver pieces. This way, you not only know who made it but also exactly what it’s made of. (though if it's too thin like the Landforms rings, or if I made it before September 2024, you might only see a maker's mark).

 

Other ways to identify metals

Of course, there are more precise ways to identify the metals in your jewelry. These methods can involve specialized materials and testing, but that’s a bit beyond our scope today. We’re here to keep things simple and help you decode those handy little stamps you can spot with the naked eye.

 

Gold talk - But that’s a story for another day

So far, we’ve been talking mostly about sterling silver and solid gold, but there’s a whole world of metals and gold variations out there! From gold-filled to gold-plated and more, there’s a lot to cover. But that’s a topic for another time - stay tuned, because we’ll be diving deep into all things gold in an upcoming post!

 

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Jewelry stamps are more than just tiny engravings; they’re the key to understanding what you’re buying. Whether it’s a maker’s mark, an official hallmark, or an informative stamp, these little details tell a big story. So next time you’re admiring a piece of jewelry, take a closer look - you might just uncover its secrets!

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