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https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Jewelry can contain different percentages of pure platinum. The US Federal Trade Commission, FTC, publishes guidelines for acceptable marking standards for platinum jewelry sold in the US. Platinum content is usually expressed as the amount of …Estimated Reading Time: 3 mins
https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
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 in jewelry marking. Platinum Content Marks In most countries where platinum jewelry is manufactured, the pure platinum content is at least 85 percent, according to Platinum Today.
https://www.sellyourgold.com/faq/my-items-gold-silver-or-platinum
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. Please note - different countries may have different hallmarking standards so the marking you see on your items may differ.
https://www.gold-traders.co.uk/blog/simple-platinum-hallmark-guide/
Mar 14, 2011 · A typical platinum hallmark All platinum items weighing more than 0.5 grams must now carry a valid hallmark when sold in the UK. The photo on the right shows a typical hallmark. A platinum hallmark will consist of 3 compulsory and 3 optional stamps.
https://truval.com/blog/jewelry-identification-marks-hallmarks-makers-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 on their wares in the National Gold and Silver Stamping Act. But this came a long time after Great Britain’s 14th-century ...
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · When considering platinum jewelry, the purity mark “950” denotes a composition of 95 percent platinum with a mix of other metal alloys, while “900” is made up of 90 percent platinum, and “850” has 85 percent platinum.
https://www.leaf.tv/articles/how-to-identify-gold-silver-and-platinum-metals-like-a-jeweler/
You will be using the magnifying glass or loupe to view the markings on the jewelry. On a ring, the marking is inside the shank. On a chain or bracelet, it's at the end on a piece called a tag, or on the clasp. On a pendant, it's on the bail, which is the part of the piece that the chain goes through, or …
https://www.wikihow.com/Identify-Quality-in-Platinum-Rings
Jun 16, 2021 · Locate the hallmark on the inside of the band. Look at the inside of a ring's band to find the hallmark that indicates the platinum purity. Find this marking as a sure way to determine that the ring is truly made of platinum. You may need a magnifying glass to see the fine engraving on a small ring.Views: 129K
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