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https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Jewelry that contains at least 950 parts per thousand of pure platinum may be marked or described as "Platinum". 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 …Estimated Reading Time: 3 mins
https://www.etsy.com/market/stamped_platinum
Genuine Platinum PT950 ring, stamped with PT950, stackle heart ring,1.25 grams open ring adjustable size, gift for her. Elegantjewelry2020. From shop Elegantjewelry2020. 4.5 out of 5 stars. (129) 129 reviews. Sale Price $94.26.
https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
The first thing you want to look for is the shape of the stamp. A rectangular shape with the corners shaved off will tell you immediately that the item is gold. 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 ...
https://www.silverrecyclers.com/purity_hints.aspx
Silver, Platinum or Palladium Jewelry. For Silver, Platinum or Palladium Jewelry it is usually stamped .800, .950, .830, .900 or something in a .000 format. This format is simply expressing the items purity as Parts Per Thousand. If your item is genuine and marked …
https://www.specialtymetals.com/blog/2019/9/13/what-is-925-platinum
Sep 13, 2019 · When an item is stamped “925 Platinum,” it means that it is made of 92.5% platinum. Well, that certainly tells you something. But before you pay your good money for a piece of jewelry, here is some other information you need to know about that “925” classification:
https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
The platinum group of metals (PGM) are platinum, iridium, palladium, ruthenium, rhodium and osmium. The major platinum jewelry maker and consumer markets today are China, Japan and the United States. Platinum rings and ornaments date more than 2,000 years, and the culture of platinum ring-making over the centuries has led to various traditions ...
https://thinkengraved.com/blogs/news/a-guide-to-what-jewelry-stamps-mean
Apr 29, 2021 · Each number stands for the percentage of purity of gold, platinum, and silver. For gold, the stamps are 375, 585, 750, 916, 990 and 999. For silver, the stamps are 800,925,958 and 999. For platinum, the stamps are 850, 900, 950 and 999. Please refer to the photo to see what the stamps look like as well as the essay’s office stamp.
https://www.leaf.tv/articles/how-to-identify-gold-silver-and-platinum-metals-like-a-jeweler/
Identify sterling silver by finding the number 925. Some items that appear to be gold but have the 925 stamp are made of gold-plated sterling silver. Identify platinum by using this list: Plat 900 PLAT 950 PLAT 10% IRID PLAT 10% IRID 90% PLAT COPLAT. Identify Palladium by the marking PD. Look at what is stamped after the markings I listed above.
http://www.barryjayjewelers.com/platinum.html
Platinum jewelry is pure. In the United States platinum jewelry generally contains anywhere from 85 to 95 percent pure platinum. By comparison, 18-karat gold is 75 percent pure gold and 14-karat gold is only 58 percent pure gold. If a piece of platinum jewelry is marked "Platinum" then it contains at least 95 percent pure platinum.
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