What does PtB mean on jewelry?

What is platinum Bond Jewellery?

Platinum Plating Prevents Silver from Tarnishing or Wearing

It is also soft and easily scratched. Platinum is just the opposite – it is extremely resistant to oxidation and so hard that it resists wear. So plating a layer of platinum onto silver produces an item of jewelry that is both tarnish-resistant and durable.

What does 9ct plat mean on a ring?

Articles stamped with just ‘9ct’, ‘375’ or ’18’, ’18ct’, ’18k’ or ‘750’ etc. are not official marks and are no guarantee to the quality of the metal. Certain older rings etc. are stamped with `18ct & Plat`. These are not assayed as prior to 1975 platinum was not registered as a precious metal.

What does 14K PLT mean?

Pure platinum is often marked simply with the letters ‘PLT’, ‘PLAT’, or ‘PLATINUM’, which indicates that the piece consists of at least 95% platinum.

What does PA mean on jewelry?

The laws originally applied to silver, were soon extended to include gold and now also apply to platinum and palladium.

What does 125 mean on jewelry?

125 means it is nickel. The stamp means what percentage of silver the piece has. So . 125 is 12.5% silver, and the rest is other metals.

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What does 325 mean on jewelry?

325 is not an uncommon mark. It is an industry standard mark. It refers to the percentage of gold in the alloy. In this case it 32.5% (by weight) gold. This translates into 8kt gold.

Is rhodium and platinum same?

Rhodium, one of the five platinum metals, coats the jewelry with a bright white layer. But rhodium wears off, and must be replated. Platinum, on the other hand, is a completely white metal, and never needs plating. … Bracelets will need rhodium plating from time to time, while pendants and earrings rarely need plating.

Is sterling silver better than platinum plated?

The difference in durability is really no contest between platinum and silver. Silver is a soft metal that wears down quickly and tarnishes easily. … Platinum rings are often 90-95% pure platinum, perfect for standing up to the test of the everyday wear of an engagement ring.