Look for the words “Platinum,” “PLAT,” or “PT” followed or preceded by the numbers “950” or “999.” These numbers refer to the purity of the platinum, with “999” as the most pure. For example, an authentic piece of platinum jewelry might have a stamp reading “PLAT999.”

What is stamped platinum?

Any platinum alloy containing at least 950 parts per thousand (ppt) of platinum can be stamped “Platinum,” or “PLAT,” “ PT.” For alloys of platinum between 850 and 950 ppt, “Platinum” must be accompanied by the purity.

Can platinum be marked 925?

When an item is stamped “925 Platinum,” it means that it is made of 92.5% platinum. You will also find pieces of jewelry that are marked “925 Silver” and “925 Gold.” Those terms mean exactly what the “925 Platinum” term means – that the item you are looking at contains 92.5% silver or gold.

Is platinum marked 950?

To protect American consumers, a high-content platinum alloy will be marked 950Pt, 950, plat or platinum, meaning that it’s at least 95% pure, elemental platinum. It’s also the only platinum alloy that can simply bear the “Platinum” stamp to identify that it’s 95% pure platinum.

What is my platinum ring worth?

According to CNN Commodities Prices, platinum is $1,538.70 USD per troy ounce. Based on this, the melt value of your 95% platinum rings is about $1,060. Typically we can return 70% of the fine platinum value based on the weight and market price.

How much is 2 grams of platinum?

How Much is 2 Grams of Platinum Worth?

What do the numbers mean on platinum jewelry?

Jewelry that contains 850, 900 or 950 parts per thousand of pure platinum may be marked “Plat” or “Pt” if a number is used in front of the term to disclose the amount of pure platinum in the mix, such as : “850 Plat” or “850 Pt”, or.

What kind of platinum is on a platinum stamp?

90% platinum or 900 parts per 100. Usually mixed with other platinum metal group alloys such as Ruthenium, rhodium, or palladium. 950 platinum will simply carry 950 in place of the 900 and is 950 parts per 1000 pure platinum. Here is a great article about the above stamps here. What does ALE stamped on jewelry mean?

How can you tell if something is silver or platinum?

An oval stamp would indicate the item is silver. A ‘house’ shaped mark is used for platinum items. The number inside the shape is called the millesimal stamp number – this will tell you the actual precious metal content or the purity of the precious metal.

What does the number 900 mean on silver?

A “900” stamp on silver tells you that it is 9 parts pure silver and 1 part other metals. Platinum is more rare and more expensive than gold. “Plat” or “950 Plat” is nearly pure platinum. “IridPlat” is 90 percent platinum mixed with 10 percent other metals.