Searching for Platinum Jewelry Markings information? Follow the links below to find all the information you need and more.
https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Here are some important platinum facts regarding content markings: Jewelry that contains at least 950 parts per thousand of pure platinum may be …
https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
Platinum content markings are based on parts per thousand of pure platinum in the ring. According to the Federal Trade Commission, in the United States, "Platinum" (without additional qualifications) can only be used to mark and describe rings made with at least 950 parts pure platinum …
https://www.tentwothree.com/platinum_jewelry_information.asp
PLATINUM ESTATE JEWELRY HALLMARKS. Many estate jewelry hallmarks will be PT900, indicating that the metal is 900 parts per 1000 of pure platinum. The remaining 100 part are usually made with iridium which makes the jewelry harder. 900 Plat - 100Irid - means platinum …
https://www.consumer.ftc.gov/articles/0294-platinum-jewelry
Platinum Jewelry Platinum jewelry should be labeled so you can tell how much platinum there is in the piece. Any jewelry that is not labeled platinum, plat., or pt. contains less than 50% pure platinum and shouldn’t be marketed as platinum.
https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
Aside from gold, silver and platinum there are a lot of other hallmarks you will see stamped in your jewelry that is meant to tell you about the item's contents and purity. Ultimately, rest easy knowing …
https://truval.com/blog/jewelry-identification-marks/
Markings are typically found on items made of silver, gold, platinum, and though small in size, they have quite a serious impact on an item’s worth. In 1906, the United States mandated that jewelers add a purity mark …
https://www.leaf.tv/articles/how-to-identify-jewelry-markings/
Remember that jewelry marked “900 Platinum” is 90 percent pure platinum, or 900 parts pure platinum out of 1,000. Look for any of these other marks to indicate this type of jewelry: “900 Plat,” “Plat 900,” …
http://www.amaterracrianza.com/jewelry-makers-marks-in-alphabetical-order/
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